479134813 has 2 divisors, whose sum is σ = 479134814. Its totient is φ = 479134812.

The previous prime is 479134753. The next prime is 479134829. The reversal of 479134813 is 318431974.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 249703204 + 229431609 = 15802^2 + 15147^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-479134813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (479134883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239567406 + 239567407.

It is an arithmetic number, because the mean of its divisors is an integer number (239567407).

Almost surely, 2^479134813 is an apocalyptic number.

It is an amenable number.

479134813 is a deficient number, since it is larger than the sum of its proper divisors (1).

479134813 is an equidigital number, since it uses as much as digits as its factorization.

479134813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 40.

The square root of 479134813 is about 21889.1482931612. The cubic root of 479134813 is about 782.5028157785.

The spelling of 479134813 in words is "four hundred seventy-nine million, one hundred thirty-four thousand, eight hundred thirteen".