479480009 has 2 divisors, whose sum is σ = 479480010. Its totient is φ = 479480008.

The previous prime is 479479999. The next prime is 479480039. The reversal of 479480009 is 900084974.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 468852409 + 10627600 = 21653^2 + 3260^2 .

It is a cyclic number.

It is not a de Polignac number, because 479480009 - 2²⁰ = 478431433 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (479480039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239740004 + 239740005.

It is an arithmetic number, because the mean of its divisors is an integer number (239740005).

Almost surely, 2^479480009 is an apocalyptic number.

It is an amenable number.

479480009 is a deficient number, since it is larger than the sum of its proper divisors (1).

479480009 is an equidigital number, since it uses as much as digits as its factorization.

479480009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 479480009 is about 21897.0319678261. The cubic root of 479480009 is about 782.6906905279.

The spelling of 479480009 in words is "four hundred seventy-nine million, four hundred eighty thousand, nine".