479965509 has 12 divisors (see below), whose sum is σ = 706365036. Its totient is φ = 313939392.

The previous prime is 479965501. The next prime is 479965537. The reversal of 479965509 is 905569974.

479965509 is a `hidden beast` number, since 4 + 79 + 9 + 65 + 509 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 259532100 + 220433409 = 16110^2 + 14847^2 .

It is not a de Polignac number, because 479965509 - 2³ = 479965501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479965501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 502632 + ... + 503585.

It is an arithmetic number, because the mean of its divisors is an integer number (58863753).

Almost surely, 2^479965509 is an apocalyptic number.

It is an amenable number.

479965509 is a deficient number, since it is larger than the sum of its proper divisors (226399527).

479965509 is a wasteful number, since it uses less digits than its factorization.

479965509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006276 (or 1006273 counting only the distinct ones).

The product of its (nonzero) digits is 3061800, while the sum is 54.

The square root of 479965509 is about 21908.1151402853. The cubic root of 479965509 is about 782.9547739374.

The spelling of 479965509 in words is "four hundred seventy-nine million, nine hundred sixty-five thousand, five hundred nine".