679530618892 has 6 divisors (see below), whose sum is σ = 1189178583068. Its totient is φ = 339765309444.

The previous prime is 679530618889. The next prime is 679530618901. The reversal of 679530618892 is 298816035976.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84941327358 + ... + 84941327365.

Almost surely, 2^679530618892 is an apocalyptic number.

It is an amenable number.

679530618892 is a deficient number, since it is larger than the sum of its proper divisors (509647964176).

679530618892 is a wasteful number, since it uses less digits than its factorization.

679530618892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169882654727 (or 169882654725 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 64.

The spelling of 679530618892 in words is "six hundred seventy-nine billion, five hundred thirty million, six hundred eighteen thousand, eight hundred ninety-two".