634051266488 has 16 divisors (see below), whose sum is σ = 1205590437360. Its totient is φ = 312560483200.

The previous prime is 634051266461. The next prime is 634051266503. The reversal of 634051266488 is 884662150436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 558143153 + ... + 558144288.

It is an arithmetic number, because the mean of its divisors is an integer number (75349402335).

Almost surely, 2^634051266488 is an apocalyptic number.

It is an amenable number.

634051266488 is a deficient number, since it is larger than the sum of its proper divisors (571539170872).

634051266488 is a wasteful number, since it uses less digits than its factorization.

634051266488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116287518 (or 1116287514 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 53.

The spelling of 634051266488 in words is "six hundred thirty-four billion, fifty-one million, two hundred sixty-six thousand, four hundred eighty-eight".