479432969 has 2 divisors, whose sum is σ = 479432970. Its totient is φ = 479432968.

The previous prime is 479432911. The next prime is 479433047. The reversal of 479432969 is 969234974.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 378691600 + 100741369 = 19460^2 + 10037^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-479432969 is a prime.

It is a super-2 number, since 2×479432969² = 459711943528309922, which contains 22 as substring.

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 479432969.

It is not a weakly prime, because it can be changed into another prime (479431969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239716484 + 239716485.

It is an arithmetic number, because the mean of its divisors is an integer number (239716485).

Almost surely, 2^479432969 is an apocalyptic number.

It is an amenable number.

479432969 is a deficient number, since it is larger than the sum of its proper divisors (1).

479432969 is an equidigital number, since it uses as much as digits as its factorization.

479432969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2939328, while the sum is 53.

The square root of 479432969 is about 21895.9578233061. The cubic root of 479432969 is about 782.6650940669.

The spelling of 479432969 in words is "four hundred seventy-nine million, four hundred thirty-two thousand, nine hundred sixty-nine".