69530791872 has 56 divisors (see below), whose sum is σ = 186183398016. Its totient is φ = 22897685248.

The previous prime is 69530791807. The next prime is 69530791903. The reversal of 69530791872 is 27819703596.

It is a congruent number.

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, 2165628 + ... + 2197499.

It is an arithmetic number, because the mean of its divisors is an integer number (3324703536).

Almost surely, 2^69530791872 is an apocalyptic number.

It is an amenable number.

69530791872 is an abundant number, since it is smaller than the sum of its proper divisors (116652606144).

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

69530791872 is a wasteful number, since it uses less digits than its factorization.

69530791872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4363225 (or 4363215 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 57.

The spelling of 69530791872 in words is "sixty-nine billion, five hundred thirty million, seven hundred ninety-one thousand, eight hundred seventy-two".