18769179964 has 12 divisors (see below), whose sum is σ = 32847074344. Its totient is φ = 9384301584.

The previous prime is 18769179959. The next prime is 18769179967. The reversal of 18769179964 is 46997196781.

It is a self number, because there is not a number n which added to its sum of digits gives 18769179964.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18769179967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151114 + ... + 245710.

Almost surely, 2^18769179964 is an apocalyptic number.

It is an amenable number.

18769179964 is a deficient number, since it is larger than the sum of its proper divisors (14077894380).

18769179964 is a wasteful number, since it uses less digits than its factorization.

18769179964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144204 (or 144202 counting only the distinct ones).

The product of its digits is 41150592, while the sum is 67.

It can be divided in two parts, 1876917 and 9964, that added together give a palindrome (1886881).

The spelling of 18769179964 in words is "eighteen billion, seven hundred sixty-nine million, one hundred seventy-nine thousand, nine hundred sixty-four".