518300745636 has 12 divisors (see below), whose sum is σ = 1209368406512. Its totient is φ = 172766915208.

The previous prime is 518300745629. The next prime is 518300745751. The reversal of 518300745636 is 636547003815.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21595864390 + ... + 21595864413.

Almost surely, 2^518300745636 is an apocalyptic number.

It is an amenable number.

518300745636 is an abundant number, since it is smaller than the sum of its proper divisors (691067660876).

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

518300745636 is a wasteful number, since it uses less digits than its factorization.

518300745636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43191728810 (or 43191728808 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 48.

The spelling of 518300745636 in words is "five hundred eighteen billion, three hundred million, seven hundred forty-five thousand, six hundred thirty-six".