479197506918 has 32 divisors (see below), whose sum is σ = 1036400393952. Its totient is φ = 146833574400.

The previous prime is 479197506833. The next prime is 479197506919. The reversal of 479197506918 is 819605791974.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479197506919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12727173 + ... + 12764768.

It is an arithmetic number, because the mean of its divisors is an integer number (32387512311).

Almost surely, 2^479197506918 is an apocalyptic number.

479197506918 is an abundant number, since it is smaller than the sum of its proper divisors (557202887034).

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

479197506918 is a wasteful number, since it uses less digits than its factorization.

479197506918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25492200.

The product of its (nonzero) digits is 34292160, while the sum is 66.

The spelling of 479197506918 in words is "four hundred seventy-nine billion, one hundred ninety-seven million, five hundred six thousand, nine hundred eighteen".