636786480604 has 12 divisors (see below), whose sum is σ = 1114402094064. Its totient is φ = 318385882304.

The previous prime is 636786480601. The next prime is 636786480643. The reversal of 636786480604 is 406084687636.

It is a happy number.

636786480604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (636786480601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1642432 + ... + 1992775.

It is an arithmetic number, because the mean of its divisors is an integer number (92866841172).

Almost surely, 2^636786480604 is an apocalyptic number.

It is an amenable number.

636786480604 is a deficient number, since it is larger than the sum of its proper divisors (477615613460).

636786480604 is a wasteful number, since it uses less digits than its factorization.

636786480604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3679004 (or 3679002 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 58.

The spelling of 636786480604 in words is "six hundred thirty-six billion, seven hundred eighty-six million, four hundred eighty thousand, six hundred four".