45069639856 has 10 divisors (see below), whose sum is σ = 87322427252. Its totient is φ = 22534819920.

The previous prime is 45069639821. The next prime is 45069639883. The reversal of 45069639856 is 65893696054.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 45069639794 and 45069639803.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1408426230 + ... + 1408426261.

Almost surely, 2^45069639856 is an apocalyptic number.

It is an amenable number.

45069639856 is a deficient number, since it is larger than the sum of its proper divisors (42252787396).

45069639856 is a wasteful number, since it uses less digits than its factorization.

45069639856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2816852499 (or 2816852493 counting only the distinct ones).

The product of its (nonzero) digits is 41990400, while the sum is 61.

The spelling of 45069639856 in words is "forty-five billion, sixty-nine million, six hundred thirty-nine thousand, eight hundred fifty-six".