636342746802 has 64 divisors (see below), whose sum is σ = 1504835297280. Its totient is φ = 175521536064.

The previous prime is 636342746797. The next prime is 636342746803. The reversal of 636342746802 is 208647243636.

It is not an unprimeable number, because it can be changed into a prime (636342746803) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11840163 + ... + 11893785.

It is an arithmetic number, because the mean of its divisors is an integer number (23513051520).

Almost surely, 2^636342746802 is an apocalyptic number.

636342746802 is an abundant number, since it is smaller than the sum of its proper divisors (868492550478).

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

636342746802 is a wasteful number, since it uses less digits than its factorization.

636342746802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63407.

The product of its (nonzero) digits is 6967296, while the sum is 51.

The spelling of 636342746802 in words is "six hundred thirty-six billion, three hundred forty-two million, seven hundred forty-six thousand, eight hundred two".