479329769 has 2 divisors, whose sum is σ = 479329770. Its totient is φ = 479329768.

The previous prime is 479329727. The next prime is 479329771. The reversal of 479329769 is 967923974.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 430147600 + 49182169 = 20740^2 + 7013^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-479329769 is a prime.

It is a super-2 number, since 2×479329769² = 459514054899186722, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 479329771, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (479329469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239664884 + 239664885.

It is an arithmetic number, because the mean of its divisors is an integer number (239664885).

Almost surely, 2^479329769 is an apocalyptic number.

It is an amenable number.

479329769 is a deficient number, since it is larger than the sum of its proper divisors (1).

479329769 is an equidigital number, since it uses as much as digits as its factorization.

479329769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5143824, while the sum is 56.

The square root of 479329769 is about 21893.6010971242. The cubic root of 479329769 is about 782.6089326991.

The spelling of 479329769 in words is "four hundred seventy-nine million, three hundred twenty-nine thousand, seven hundred sixty-nine".