56999299965 has 8 divisors (see below), whose sum is σ = 91198879968. Its totient is φ = 30399626640.

The previous prime is 56999299943. The next prime is 56999299967.

56999299965 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56999299965 - 2⁶ = 56999299901 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56999299967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1899976651 + ... + 1899976680.

It is an arithmetic number, because the mean of its divisors is an integer number (11399859996).

Almost surely, 2^56999299965 is an apocalyptic number.

It is an amenable number.

56999299965 is a deficient number, since it is larger than the sum of its proper divisors (34199580003).

56999299965 is a wasteful number, since it uses less digits than its factorization.

56999299965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3799953339.

The product of its digits is 956593800, while the sum is 78.

The spelling of 56999299965 in words is "fifty-six billion, nine hundred ninety-nine million, two hundred ninety-nine thousand, nine hundred sixty-five".