479478952689 has 32 divisors (see below), whose sum is σ = 704329426944. Its totient is φ = 287717095680.

The previous prime is 479478952679. The next prime is 479478952703. The reversal of 479478952689 is 986259874974.

It is a happy number.

It is not a de Polignac number, because 479478952689 - 2¹² = 479478948593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (479478952619) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24214777 + ... + 24234569.

It is an arithmetic number, because the mean of its divisors is an integer number (22010294592).

Almost surely, 2^479478952689 is an apocalyptic number.

It is an amenable number.

479478952689 is a deficient number, since it is larger than the sum of its proper divisors (224850474255).

479478952689 is a wasteful number, since it uses less digits than its factorization.

479478952689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27037.

The product of its digits is 2194698240, while the sum is 78.

The spelling of 479478952689 in words is "four hundred seventy-nine billion, four hundred seventy-eight million, nine hundred fifty-two thousand, six hundred eighty-nine".