69979495750320 has 1280 divisors, whose sum is σ = 262460801433600. Its totient is φ = 15264350208000.

The previous prime is 69979495750271. The next prime is 69979495750357. The reversal of 69979495750320 is 2305759497996.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 8212587660 + ... + 8212596180.

It is an arithmetic number, because the mean of its divisors is an integer number (205047501120).

Almost surely, 2^{69979495750320} is an apocalyptic number.

69979495750320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69979495750320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131230400716800).

69979495750320 is an abundant number, since it is smaller than the sum of its proper divisors (192481305683280).

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

69979495750320 is a wasteful number, since it uses less digits than its factorization.

69979495750320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8750 (or 8744 counting only the distinct ones).

The product of its (nonzero) digits is 1157360400, while the sum is 75.

The spelling of 69979495750320 in words is "sixty-nine trillion, nine hundred seventy-nine billion, four hundred ninety-five million, seven hundred fifty thousand, three hundred twenty".