56869145836 has 6 divisors (see below), whose sum is σ = 99521005220. Its totient is φ = 28434572916.

The previous prime is 56869145831. The next prime is 56869145849. The reversal of 56869145836 is 63854196865.

It is a super-2 number, since 2×56869145836² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56869145831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7108643226 + ... + 7108643233.

Almost surely, 2^56869145836 is an apocalyptic number.

It is an amenable number.

56869145836 is a deficient number, since it is larger than the sum of its proper divisors (42651859384).

56869145836 is a wasteful number, since it uses less digits than its factorization.

56869145836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14217286463 (or 14217286461 counting only the distinct ones).

The product of its digits is 37324800, while the sum is 61.

The spelling of 56869145836 in words is "fifty-six billion, eight hundred sixty-nine million, one hundred forty-five thousand, eight hundred thirty-six".