479042917 has 2 divisors, whose sum is σ = 479042918. Its totient is φ = 479042916.

The previous prime is 479042911. The next prime is 479042929. The reversal of 479042917 is 719240974.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 455993316 + 23049601 = 21354^2 + 4801^2 .

It is a cyclic number.

It is not a de Polignac number, because 479042917 - 2¹⁵ = 479010149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (479042911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239521458 + 239521459.

It is an arithmetic number, because the mean of its divisors is an integer number (239521459).

Almost surely, 2^479042917 is an apocalyptic number.

It is an amenable number.

479042917 is a deficient number, since it is larger than the sum of its proper divisors (1).

479042917 is an equidigital number, since it uses as much as digits as its factorization.

479042917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 479042917 is about 21887.0490701693. The cubic root of 479042917 is about 782.4527856864.

The spelling of 479042917 in words is "four hundred seventy-nine million, forty-two thousand, nine hundred seventeen".