479504609 has 2 divisors, whose sum is σ = 479504610. Its totient is φ = 479504608.

The previous prime is 479504581. The next prime is 479504651. The reversal of 479504609 is 906405974.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 292581025 + 186923584 = 17105^2 + 13672^2 .

It is a cyclic number.

It is not a de Polignac number, because 479504609 - 2⁸ = 479504353 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 479504609.

It is not a weakly prime, because it can be changed into another prime (479504209) 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 as a sum of consecutive naturals, namely, 239752304 + 239752305.

It is an arithmetic number, because the mean of its divisors is an integer number (239752305).

Almost surely, 2^479504609 is an apocalyptic number.

It is an amenable number.

479504609 is a deficient number, since it is larger than the sum of its proper divisors (1).

479504609 is an equidigital number, since it uses as much as digits as its factorization.

479504609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 479504609 is about 21897.5936805851. The cubic root of 479504609 is about 782.7040757657.

The spelling of 479504609 in words is "four hundred seventy-nine million, five hundred four thousand, six hundred nine".