56713937739 has 16 divisors (see below), whose sum is σ = 76115531520. Its totient is φ = 37561232480.

The previous prime is 56713937719. The next prime is 56713937789. The reversal of 56713937739 is 93773931765.

It is a cyclic number.

It is not a de Polignac number, because 56713937739 - 2¹⁵ = 56713904971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56713937719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 502429 + ... + 604865.

It is an arithmetic number, because the mean of its divisors is an integer number (4757220720).

Almost surely, 2^56713937739 is an apocalyptic number.

56713937739 is a deficient number, since it is larger than the sum of its proper divisors (19401593781).

56713937739 is a wasteful number, since it uses less digits than its factorization.

56713937739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103650.

The product of its digits is 22504230, while the sum is 60.

The spelling of 56713937739 in words is "fifty-six billion, seven hundred thirteen million, nine hundred thirty-seven thousand, seven hundred thirty-nine".