679836404946 has 32 divisors (see below), whose sum is σ = 1374474391488. Its totient is φ = 224158504640.

The previous prime is 679836404939. The next prime is 679836404953. The reversal of 679836404946 is 649404638976.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (679836404939) and next prime (679836404953).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1457820 + ... + 1866791.

It is an arithmetic number, because the mean of its divisors is an integer number (42952324734).

Almost surely, 2^679836404946 is an apocalyptic number.

679836404946 is an abundant number, since it is smaller than the sum of its proper divisors (694637986542).

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

679836404946 is a wasteful number, since it uses less digits than its factorization.

679836404946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3324986.

The product of its (nonzero) digits is 188116992, while the sum is 66.

The spelling of 679836404946 in words is "six hundred seventy-nine billion, eight hundred thirty-six million, four hundred four thousand, nine hundred forty-six".