69481612816 has 40 divisors (see below), whose sum is σ = 167838704064. Its totient is φ = 27070757760.

The previous prime is 69481612741. The next prime is 69481612817. The reversal of 69481612816 is 61821618496.

It is not an unprimeable number, because it can be changed into a prime (69481612817) 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, 28197475 + ... + 28199938.

Almost surely, 2^69481612816 is an apocalyptic number.

It is an amenable number.

69481612816 is an abundant number, since it is smaller than the sum of its proper divisors (98357091248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69481612816 is a wasteful number, since it uses less digits than its factorization.

69481612816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56397439 (or 56397433 counting only the distinct ones).

The product of its digits is 995328, while the sum is 52.

The spelling of 69481612816 in words is "sixty-nine billion, four hundred eighty-one million, six hundred twelve thousand, eight hundred sixteen".