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2434101221 is a prime number
BaseRepresentation
bin1001000100010101…
…0110111111100101
320021122012011011002
42101011112333211
514441112214341
61041311123045
7114214343006
oct22105267745
96248164132
102434101221
111039a94302
1257b213485
132ca3985a6
141913b91ad
15e3a6029b
hex91156fe5

2434101221 has 2 divisors, whose sum is σ = 2434101222. Its totient is φ = 2434101220.

The previous prime is 2434101211. The next prime is 2434101281. The reversal of 2434101221 is 1221014342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2087210596 + 346890625 = 45686^2 + 18625^2 .

It is a cyclic number.

It is not a de Polignac number, because 2434101221 - 210 = 2434100197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2434101193 and 2434101202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2434101211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1217050610 + 1217050611.

It is an arithmetic number, because the mean of its divisors is an integer number (1217050611).

Almost surely, 22434101221 is an apocalyptic number.

It is an amenable number.

2434101221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2434101221 is an equidigital number, since it uses as much as digits as its factorization.

2434101221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2434101221 is about 49336.6113651921. The cubic root of 2434101221 is about 1345.1773458239.

Adding to 2434101221 its reverse (1221014342), we get a palindrome (3655115563).

The spelling of 2434101221 in words is "two billion, four hundred thirty-four million, one hundred one thousand, two hundred twenty-one".