69979369744 has 80 divisors (see below), whose sum is σ = 141112111104. Its totient is φ = 33583104000.

The previous prime is 69979369727. The next prime is 69979369807. The reversal of 69979369744 is 44796397996.

It is a super-2 number, since 2×69979369744² (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, 38386017 + ... + 38387839.

Almost surely, 2^69979369744 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 69979369744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70556055552).

69979369744 is an abundant number, since it is smaller than the sum of its proper divisors (71132741360).

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

69979369744 is a wasteful number, since it uses less digits than its factorization.

69979369744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2456 (or 2450 counting only the distinct ones).

The product of its digits is 555532992, while the sum is 73.

The spelling of 69979369744 in words is "sixty-nine billion, nine hundred seventy-nine million, three hundred sixty-nine thousand, seven hundred forty-four".