479643613 has 8 divisors (see below), whose sum is σ = 482391000. Its totient is φ = 476904768.

The previous prime is 479643607. The next prime is 479643641. The reversal of 479643613 is 316346974.

It can be written as a sum of positive squares in 4 ways, for example, as 130028409 + 349615204 = 11403^2 + 18698^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 479643613 - 2¹³ = 479635421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 479643613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479643643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133995 + ... + 137527.

It is an arithmetic number, because the mean of its divisors is an integer number (60298875).

Almost surely, 2^479643613 is an apocalyptic number.

It is an amenable number.

479643613 is a deficient number, since it is larger than the sum of its proper divisors (2747387).

479643613 is a wasteful number, since it uses less digits than its factorization.

479643613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4271.

The product of its digits is 326592, while the sum is 43.

The square root of 479643613 is about 21900.7674066458. The cubic root of 479643613 is about 782.7797013757.

The spelling of 479643613 in words is "four hundred seventy-nine million, six hundred forty-three thousand, six hundred thirteen".