471646935864 has 128 divisors (see below), whose sum is σ = 1411274088000. Its totient is φ = 145084649472.

The previous prime is 471646935853. The next prime is 471646935911. The reversal of 471646935864 is 468539646174.

471646935864 is a `hidden beast` number, since 4 + 7 + 1 + 6 + 46 + 9 + 3 + 586 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 12046432 + ... + 12085520.

Almost surely, 2^471646935864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 471646935864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (705637044000).

471646935864 is an abundant number, since it is smaller than the sum of its proper divisors (939627152136).

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

471646935864 is a wasteful number, since it uses less digits than its factorization.

471646935864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43414 (or 43404 counting only the distinct ones).

The product of its digits is 104509440, while the sum is 63.

The spelling of 471646935864 in words is "four hundred seventy-one billion, six hundred forty-six million, nine hundred thirty-five thousand, eight hundred sixty-four".