634604431116 has 24 divisors (see below), whose sum is σ = 1480835233584. Its totient is φ = 211521730240.

The previous prime is 634604431103. The next prime is 634604431117. The reversal of 634604431116 is 611134406436.

It is not an unprimeable number, because it can be changed into a prime (634604431117) 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 7 ways as a sum of consecutive naturals, for example, 1431855 + ... + 1821926.

It is an arithmetic number, because the mean of its divisors is an integer number (61701468066).

Almost surely, 2^634604431116 is an apocalyptic number.

It is an amenable number.

634604431116 is an abundant number, since it is smaller than the sum of its proper divisors (846230802468).

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

634604431116 is a wasteful number, since it uses less digits than its factorization.

634604431116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3270041 (or 3270039 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 39.

The spelling of 634604431116 in words is "six hundred thirty-four billion, six hundred four million, four hundred thirty-one thousand, one hundred sixteen".