56936600639 has 2 divisors, whose sum is σ = 56936600640. Its totient is φ = 56936600638.

The previous prime is 56936600627. The next prime is 56936600687. The reversal of 56936600639 is 93600663965.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56936600639 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56936600689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28468300319 + 28468300320.

It is an arithmetic number, because the mean of its divisors is an integer number (28468300320).

Almost surely, 2^56936600639 is an apocalyptic number.

56936600639 is a deficient number, since it is larger than the sum of its proper divisors (1).

56936600639 is an equidigital number, since it uses as much as digits as its factorization.

56936600639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4723920, while the sum is 53.

The spelling of 56936600639 in words is "fifty-six billion, nine hundred thirty-six million, six hundred thousand, six hundred thirty-nine".