17979044318 has 16 divisors (see below), whose sum is σ = 27101178720. Its totient is φ = 8945410656.

The previous prime is 17979044233. The next prime is 17979044333. The reversal of 17979044318 is 81344097971.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 17979044318.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374063 + ... + 419381.

It is an arithmetic number, because the mean of its divisors is an integer number (1693823670).

Almost surely, 2^17979044318 is an apocalyptic number.

17979044318 is a deficient number, since it is larger than the sum of its proper divisors (9122134402).

17979044318 is a wasteful number, since it uses less digits than its factorization.

17979044318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46291.

The product of its (nonzero) digits is 1524096, while the sum is 53.

The spelling of 17979044318 in words is "seventeen billion, nine hundred seventy-nine million, forty-four thousand, three hundred eighteen".