56929886899 has 4 divisors (see below), whose sum is σ = 56943258120. Its totient is φ = 56916515680.

The previous prime is 56929886891. The next prime is 56929886911. The reversal of 56929886899 is 99868892965.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99868892965 = 5 ⋅19973778593.

It is a cyclic number.

It is not a de Polignac number, because 56929886899 - 2³ = 56929886891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56929886891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6679222 + ... + 6687739.

It is an arithmetic number, because the mean of its divisors is an integer number (14235814530).

Almost surely, 2^56929886899 is an apocalyptic number.

56929886899 is a deficient number, since it is larger than the sum of its proper divisors (13371221).

56929886899 is a wasteful number, since it uses less digits than its factorization.

56929886899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13371220.

The product of its digits is 1209323520, while the sum is 79.

The spelling of 56929886899 in words is "fifty-six billion, nine hundred twenty-nine million, eight hundred eighty-six thousand, eight hundred ninety-nine".