2237645149 has 2 divisors, whose sum is σ = 2237645150. Its totient is φ = 2237645148.

The previous prime is 2237645119. The next prime is 2237645227. The reversal of 2237645149 is 9415467322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2046929049 + 190716100 = 45243^2 + 13810^2 .

It is a cyclic number.

It is not a de Polignac number, because 2237645149 - 2⁷ = 2237645021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2237645119) 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, 1118822574 + 1118822575.

It is an arithmetic number, because the mean of its divisors is an integer number (1118822575).

Almost surely, 2^2237645149 is an apocalyptic number.

It is an amenable number.

2237645149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2237645149 is an equidigital number, since it uses as much as digits as its factorization.

2237645149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 43.

The square root of 2237645149 is about 47303.7540687840. The cubic root of 2237645149 is about 1307.9678589193.

The spelling of 2237645149 in words is "two billion, two hundred thirty-seven million, six hundred forty-five thousand, one hundred forty-nine".