79951710249 has 12 divisors (see below), whose sum is σ = 115850116356. Its totient is φ = 53132995872.

The previous prime is 79951710229. The next prime is 79951710253. The reversal of 79951710249 is 94201715997.

79951710249 is a `hidden beast` number, since 7 + 99 + 517 + 10 + 24 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 14245616025 + 65706094224 = 119355^2 + 256332^2 .

It is not a de Polignac number, because 79951710249 - 2²⁰ = 79950661673 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 79951710195 and 79951710204.

It is not an unprimeable number, because it can be changed into a prime (79951710229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14009014 + ... + 14014719.

It is an arithmetic number, because the mean of its divisors is an integer number (9654176363).

Almost surely, 2^79951710249 is an apocalyptic number.

It is an amenable number.

79951710249 is a deficient number, since it is larger than the sum of its proper divisors (35898406107).

79951710249 is a wasteful number, since it uses less digits than its factorization.

79951710249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28024056 (or 28024053 counting only the distinct ones).

The product of its (nonzero) digits is 1428840, while the sum is 54.

The spelling of 79951710249 in words is "seventy-nine billion, nine hundred fifty-one million, seven hundred ten thousand, two hundred forty-nine".