479739319319 has 4 divisors (see below), whose sum is σ = 516642343896. Its totient is φ = 442836294744.

The previous prime is 479739319261. The next prime is 479739319391. The reversal of 479739319319 is 913913937974.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 479739319319 - 2⁸ = 479739319063 is a prime.

It is a super-2 number, since 2×479739319319² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479739319399) 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, 18451512269 + ... + 18451512294.

It is an arithmetic number, because the mean of its divisors is an integer number (129160585974).

Almost surely, 2^479739319319 is an apocalyptic number.

479739319319 is a deficient number, since it is larger than the sum of its proper divisors (36903024577).

479739319319 is a wasteful number, since it uses less digits than its factorization.

479739319319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36903024576.

The product of its digits is 34720812, while the sum is 65.

The spelling of 479739319319 in words is "four hundred seventy-nine billion, seven hundred thirty-nine million, three hundred nineteen thousand, three hundred nineteen".