500436619664 has 30 divisors (see below), whose sum is σ = 1023313189590. Its totient is φ = 237048922368.

The previous prime is 500436619637. The next prime is 500436619679. The reversal of 500436619664 is 466916634005.

It can be written as a sum of positive squares in only one way, i.e., 492394117264 + 8042502400 = 701708^2 + 89680^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43314569 + ... + 43326120.

It is an arithmetic number, because the mean of its divisors is an integer number (34110439653).

Almost surely, 2^500436619664 is an apocalyptic number.

It is an amenable number.

500436619664 is an abundant number, since it is smaller than the sum of its proper divisors (522876569926).

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

500436619664 is a wasteful number, since it uses less digits than its factorization.

500436619664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86640735 (or 86640710 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 50.

The spelling of 500436619664 in words is "five hundred billion, four hundred thirty-six million, six hundred nineteen thousand, six hundred sixty-four".