56672370697 has 4 divisors (see below), whose sum is σ = 56675199636. Its totient is φ = 56669541760.

The previous prime is 56672370649. The next prime is 56672370709. The reversal of 56672370697 is 79607327665.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 50852054016 + 5820316681 = 225504^2 + 76291^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56672370697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56672370607) 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 in 3 ways as a sum of consecutive naturals, for example, 1384204 + ... + 1424557.

It is an arithmetic number, because the mean of its divisors is an integer number (14168799909).

Almost surely, 2^56672370697 is an apocalyptic number.

It is an amenable number.

56672370697 is a deficient number, since it is larger than the sum of its proper divisors (2828939).

56672370697 is a wasteful number, since it uses less digits than its factorization.

56672370697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2828938.

The product of its (nonzero) digits is 20003760, while the sum is 58.

The spelling of 56672370697 in words is "fifty-six billion, six hundred seventy-two million, three hundred seventy thousand, six hundred ninety-seven".