479691169 has 2 divisors, whose sum is σ = 479691170. Its totient is φ = 479691168.

The previous prime is 479691167. The next prime is 479691203. The reversal of 479691169 is 961196974.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 465912225 + 13778944 = 21585^2 + 3712^2 .

It is a cyclic number.

It is not a de Polignac number, because 479691169 - 2¹ = 479691167 is a prime.

It is a super-2 number, since 2×479691169² = 460207235233173122, which contains 22 as substring.

Together with 479691167, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (479691161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239845584 + 239845585.

It is an arithmetic number, because the mean of its divisors is an integer number (239845585).

Almost surely, 2^479691169 is an apocalyptic number.

It is an amenable number.

479691169 is a deficient number, since it is larger than the sum of its proper divisors (1).

479691169 is an equidigital number, since it uses as much as digits as its factorization.

479691169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 734832, while the sum is 52.

The square root of 479691169 is about 21901.8530951150. The cubic root of 479691169 is about 782.8055710286.

The spelling of 479691169 in words is "four hundred seventy-nine million, six hundred ninety-one thousand, one hundred sixty-nine".