634357680100 has 36 divisors (see below), whose sum is σ = 1436406439104. Its totient is φ = 242710763680.

The previous prime is 634357680059. The next prime is 634357680107. The reversal of 634357680100 is 1086753436.

It is not an unprimeable number, because it can be changed into a prime (634357680107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137901544 + ... + 137906143.

It is an arithmetic number, because the mean of its divisors is an integer number (39900178864).

Almost surely, 2^634357680100 is an apocalyptic number.

It is an amenable number.

634357680100 is an abundant number, since it is smaller than the sum of its proper divisors (802048759004).

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

634357680100 is a wasteful number, since it uses less digits than its factorization.

634357680100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275807724 (or 275807717 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 634357680100 in words is "six hundred thirty-four billion, three hundred fifty-seven million, six hundred eighty thousand, one hundred".