5003521993 has 2 divisors, whose sum is σ = 5003521994. Its totient is φ = 5003521992.

The previous prime is 5003521987. The next prime is 5003522021. The reversal of 5003521993 is 3991253005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2729853504 + 2273668489 = 52248^2 + 47683^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5003521993 is a prime.

It is not a weakly prime, because it can be changed into another prime (5003521493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2501760996 + 2501760997.

It is an arithmetic number, because the mean of its divisors is an integer number (2501760997).

Almost surely, 2^5003521993 is an apocalyptic number.

It is an amenable number.

5003521993 is a deficient number, since it is larger than the sum of its proper divisors (1).

5003521993 is an equidigital number, since it uses as much as digits as its factorization.

5003521993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36450, while the sum is 37.

The square root of 5003521993 is about 70735.5779859047. The cubic root of 5003521993 is about 1710.3773539955.

Adding to 5003521993 its reverse (3991253005), we get a palindrome (8994774998).

The spelling of 5003521993 in words is "five billion, three million, five hundred twenty-one thousand, nine hundred ninety-three".