479511029918 has 4 divisors (see below), whose sum is σ = 719266544880. Its totient is φ = 239755514958.

The previous prime is 479511029887. The next prime is 479511029969. The reversal of 479511029918 is 819920115974.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 819920115974 = 2 ⋅409960057987.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119877757478 + ... + 119877757481.

It is an arithmetic number, because the mean of its divisors is an integer number (179816636220).

Almost surely, 2^479511029918 is an apocalyptic number.

479511029918 is a deficient number, since it is larger than the sum of its proper divisors (239755514962).

479511029918 is a wasteful number, since it uses less digits than its factorization.

479511029918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239755514961.

The product of its (nonzero) digits is 1632960, while the sum is 56.

The spelling of 479511029918 in words is "four hundred seventy-nine billion, five hundred eleven million, twenty-nine thousand, nine hundred eighteen".