479903449 has 2 divisors, whose sum is σ = 479903450. Its totient is φ = 479903448.

The previous prime is 479903443. The next prime is 479903461. The reversal of 479903449 is 944309974.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 417998025 + 61905424 = 20445^2 + 7868^2 .

It is a cyclic number.

It is not a de Polignac number, because 479903449 - 2¹³ = 479895257 is a prime.

It is not a weakly prime, because it can be changed into another prime (479903443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239951724 + 239951725.

It is an arithmetic number, because the mean of its divisors is an integer number (239951725).

Almost surely, 2^479903449 is an apocalyptic number.

It is an amenable number.

479903449 is a deficient number, since it is larger than the sum of its proper divisors (1).

479903449 is an equidigital number, since it uses as much as digits as its factorization.

479903449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 979776, while the sum is 49.

The square root of 479903449 is about 21906.6987243628. The cubic root of 479903449 is about 782.9210268821.

The spelling of 479903449 in words is "four hundred seventy-nine million, nine hundred three thousand, four hundred forty-nine".