479631944209 has 16 divisors (see below), whose sum is σ = 560688246720. Its totient is φ = 405435919360.

The previous prime is 479631944179. The next prime is 479631944227. The reversal of 479631944209 is 902449136974.

It is a cyclic number.

It is not a de Polignac number, because 479631944209 - 2²¹ = 479629847057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (479631941209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15435544 + ... + 15466585.

It is an arithmetic number, because the mean of its divisors is an integer number (35043015420).

Almost surely, 2^479631944209 is an apocalyptic number.

It is an amenable number.

479631944209 is a deficient number, since it is larger than the sum of its proper divisors (81056302511).

479631944209 is a wasteful number, since it uses less digits than its factorization.

479631944209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30902240.

The product of its (nonzero) digits is 11757312, while the sum is 58.

The spelling of 479631944209 in words is "four hundred seventy-nine billion, six hundred thirty-one million, nine hundred forty-four thousand, two hundred nine".