69721825896 has 64 divisors (see below), whose sum is σ = 203865000000. Its totient is φ = 22017417408.

The previous prime is 69721825871. The next prime is 69721825903. The reversal of 69721825896 is 69852812796.

It is a super-2 number, since 2×69721825896² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8490271 + ... + 8498478.

It is an arithmetic number, because the mean of its divisors is an integer number (3185390625).

Almost surely, 2^69721825896 is an apocalyptic number.

It is an amenable number.

69721825896 is an abundant number, since it is smaller than the sum of its proper divisors (134143174104).

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

69721825896 is a wasteful number, since it uses less digits than its factorization.

69721825896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16988783 (or 16988773 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 63.

The spelling of 69721825896 in words is "sixty-nine billion, seven hundred twenty-one million, eight hundred twenty-five thousand, eight hundred ninety-six".