69939861696 has 224 divisors, whose sum is σ = 218604510720. Its totient is φ = 21878258688.

The previous prime is 69939861671. The next prime is 69939861703. The reversal of 69939861696 is 69616893996.

69939861696 is a `hidden beast` number, since 6 + 99 + 398 + 61 + 6 + 96 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2089831 + ... + 2123033.

Almost surely, 2^69939861696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69939861696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109302255360).

69939861696 is an abundant number, since it is smaller than the sum of its proper divisors (148664649024).

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

69939861696 is a wasteful number, since it uses less digits than its factorization.

69939861696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33300 (or 33284 counting only the distinct ones).

The product of its digits is 204073344, while the sum is 72.

It can be divided in two parts, 6993 and 9861696, that added together give a palindrome (9868689).

The spelling of 69939861696 in words is "sixty-nine billion, nine hundred thirty-nine million, eight hundred sixty-one thousand, six hundred ninety-six".