479268493 has 4 divisors (see below), whose sum is σ = 522838368. Its totient is φ = 435698620.

The previous prime is 479268481. The next prime is 479268509. The reversal of 479268493 is 394862974.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-479268493 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 479268493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479268443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21784921 + ... + 21784942.

It is an arithmetic number, because the mean of its divisors is an integer number (130709592).

Almost surely, 2^479268493 is an apocalyptic number.

It is an amenable number.

479268493 is a deficient number, since it is larger than the sum of its proper divisors (43569875).

479268493 is a wasteful number, since it uses less digits than its factorization.

479268493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43569874.

The product of its digits is 2612736, while the sum is 52.

The square root of 479268493 is about 21892.2016480755. The cubic root of 479268493 is about 782.5755825286.

The spelling of 479268493 in words is "four hundred seventy-nine million, two hundred sixty-eight thousand, four hundred ninety-three".