909479617146 has 48 divisors (see below), whose sum is σ = 2045343326208. Its totient is φ = 291759602400.

The previous prime is 909479617117. The next prime is 909479617147. The reversal of 909479617146 is 641716974909.

909479617146 is a `hidden beast` number, since 9 + 0 + 9 + 4 + 7 + 9 + 617 + 1 + 4 + 6 = 666.

909479617146 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (909479617147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4401466 + ... + 4603461.

It is an arithmetic number, because the mean of its divisors is an integer number (42611319296).

Almost surely, 2^909479617146 is an apocalyptic number.

909479617146 is an abundant number, since it is smaller than the sum of its proper divisors (1135863709062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

909479617146 is a wasteful number, since it uses less digits than its factorization.

909479617146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9005147 (or 9005144 counting only the distinct ones).

The product of its (nonzero) digits is 20575296, while the sum is 63.

The spelling of 909479617146 in words is "nine hundred nine billion, four hundred seventy-nine million, six hundred seventeen thousand, one hundred forty-six".