36643143472 has 20 divisors (see below), whose sum is σ = 76457328640. Its totient is φ = 16912219968.

The previous prime is 36643143469. The next prime is 36643143499. The reversal of 36643143472 is 27434134663.

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, 88084272 + ... + 88084687.

It is an arithmetic number, because the mean of its divisors is an integer number (3822866432).

Almost surely, 2^36643143472 is an apocalyptic number.

It is an amenable number.

36643143472 is an abundant number, since it is smaller than the sum of its proper divisors (39814185168).

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

36643143472 is a wasteful number, since it uses less digits than its factorization.

36643143472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176168980 (or 176168974 counting only the distinct ones).

The product of its digits is 870912, while the sum is 43.

The spelling of 36643143472 in words is "thirty-six billion, six hundred forty-three million, one hundred forty-three thousand, four hundred seventy-two".