679498259121 has 24 divisors (see below), whose sum is σ = 1077815444160. Its totient is φ = 409089852000.

The previous prime is 679498259047. The next prime is 679498259159. The reversal of 679498259121 is 121952894976.

679498259121 is a `hidden beast` number, since 6 + 79 + 498 + 2 + 59 + 1 + 21 = 666.

It is not a de Polignac number, because 679498259121 - 2⁷ = 679498258993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (679498259621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22712266 + ... + 22742163.

It is an arithmetic number, because the mean of its divisors is an integer number (44908976840).

Almost surely, 2^679498259121 is an apocalyptic number.

It is an amenable number.

679498259121 is a deficient number, since it is larger than the sum of its proper divisors (398317185039).

679498259121 is a wasteful number, since it uses less digits than its factorization.

679498259121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45454597 (or 45454594 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 63.

The spelling of 679498259121 in words is "six hundred seventy-nine billion, four hundred ninety-eight million, two hundred fifty-nine thousand, one hundred twenty-one".