36549972789864 has 192 divisors, whose sum is σ = 93299197904640. Its totient is φ = 11931651164160.

The previous prime is 36549972789833. The next prime is 36549972789907. The reversal of 36549972789864 is 46898727994563.

It is a super-2 number, since 2×36549972789864² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9806805969 + ... + 9806809695.

It is an arithmetic number, because the mean of its divisors is an integer number (485933322420).

Almost surely, 2^{36549972789864} is an apocalyptic number.

It is an amenable number.

36549972789864 is an abundant number, since it is smaller than the sum of its proper divisors (56749225114776).

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

36549972789864 is a wasteful number, since it uses less digits than its factorization.

36549972789864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4408 (or 4325 counting only the distinct ones).

The product of its digits is 39504568320, while the sum is 87.

The spelling of 36549972789864 in words is "thirty-six trillion, five hundred forty-nine billion, nine hundred seventy-two million, seven hundred eighty-nine thousand, eight hundred sixty-four".