634925726412 has 24 divisors (see below), whose sum is σ = 1482011990256. Its totient is φ = 211567819008.

The previous prime is 634925726377. The next prime is 634925726419. The reversal of 634925726412 is 214627529436.

634925726412 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (634925726419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9225513 + ... + 9294080.

It is an arithmetic number, because the mean of its divisors is an integer number (61750499594).

Almost surely, 2^634925726412 is an apocalyptic number.

It is an amenable number.

634925726412 is an abundant number, since it is smaller than the sum of its proper divisors (847086263844).

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

634925726412 is a wasteful number, since it uses less digits than its factorization.

634925726412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18522457 (or 18522455 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 51.

The spelling of 634925726412 in words is "six hundred thirty-four billion, nine hundred twenty-five million, seven hundred twenty-six thousand, four hundred twelve".