479646321938 has 64 divisors (see below), whose sum is σ = 865177958400. Its totient is φ = 195106060800.

The previous prime is 479646321911. The next prime is 479646321991. The reversal of 479646321938 is 839123646974.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a Curzon 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 31 ways as a sum of consecutive naturals, for example, 9213470 + ... + 9265382.

It is an arithmetic number, because the mean of its divisors is an integer number (13518405600).

Almost surely, 2^479646321938 is an apocalyptic number.

479646321938 is a deficient number, since it is larger than the sum of its proper divisors (385531636462).

479646321938 is a wasteful number, since it uses less digits than its factorization.

479646321938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52363.

The product of its digits is 47029248, while the sum is 62.

The spelling of 479646321938 in words is "four hundred seventy-nine billion, six hundred forty-six million, three hundred twenty-one thousand, nine hundred thirty-eight".