679209469858503 has 24 divisors (see below), whose sum is σ = 993856846632000. Its totient is φ = 446913594526464.

The previous prime is 679209469858471. The next prime is 679209469858657. The reversal of 679209469858503 is 305858964902976.

679209469858503 is a `hidden beast` number, since 6 + 7 + 9 + 20 + 9 + 4 + 6 + 9 + 8 + 585 + 0 + 3 = 666.

It is not a de Polignac number, because 679209469858503 - 2⁵ = 679209469858471 is a prime.

It is a super-2 number, since 2×679209469858503² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679209469808503) 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, 170025478 + ... + 173974371.

It is an arithmetic number, because the mean of its divisors is an integer number (41410701943000).

Almost surely, 2^{679209469858503} is an apocalyptic number.

679209469858503 is a deficient number, since it is larger than the sum of its proper divisors (314647376773497).

679209469858503 is a wasteful number, since it uses less digits than its factorization.

679209469858503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344002711 (or 344002708 counting only the distinct ones).

The product of its (nonzero) digits is 7054387200, while the sum is 81.

The spelling of 679209469858503 in words is "six hundred seventy-nine trillion, two hundred nine billion, four hundred sixty-nine million, eight hundred fifty-eight thousand, five hundred three".