69956487428 has 24 divisors (see below), whose sum is σ = 123470645760. Its totient is φ = 34679646560.

The previous prime is 69956487379. The next prime is 69956487437. The reversal of 69956487428 is 82478465996.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520925 + ... + 641307.

It is an arithmetic number, because the mean of its divisors is an integer number (5144610240).

Almost surely, 2^69956487428 is an apocalyptic number.

It is an amenable number.

69956487428 is a deficient number, since it is larger than the sum of its proper divisors (53514158332).

69956487428 is a wasteful number, since it uses less digits than its factorization.

69956487428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121627 (or 121625 counting only the distinct ones).

The product of its digits is 209018880, while the sum is 68.

The spelling of 69956487428 in words is "sixty-nine billion, nine hundred fifty-six million, four hundred eighty-seven thousand, four hundred twenty-eight".