69756995838128 has 20 divisors (see below), whose sum is σ = 135156684289848. Its totient is φ = 34877851505280.

The previous prime is 69756995838091. The next prime is 69756995838149. The reversal of 69756995838128 is 82183859965796.

It is a super-2 number, since 2×69756995838128² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 69756995838128.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39509978 + ... + 41237753.

Almost surely, 2^{69756995838128} is an apocalyptic number.

It is an amenable number.

69756995838128 is a deficient number, since it is larger than the sum of its proper divisors (65399688451720).

69756995838128 is a wasteful number, since it uses less digits than its factorization.

69756995838128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80801732 (or 80801726 counting only the distinct ones).

The product of its digits is 14108774400, while the sum is 86.

The spelling of 69756995838128 in words is "sixty-nine trillion, seven hundred fifty-six billion, nine hundred ninety-five million, eight hundred thirty-eight thousand, one hundred twenty-eight".