634920793592 has 32 divisors (see below), whose sum is σ = 1261201032720. Its totient is φ = 298621155840.

The previous prime is 634920793583. The next prime is 634920793603. The reversal of 634920793592 is 295397029436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1042643 + ... + 1535234.

Almost surely, 2^634920793592 is an apocalyptic number.

It is an amenable number.

634920793592 is a deficient number, since it is larger than the sum of its proper divisors (626280239128).

634920793592 is a wasteful number, since it uses less digits than its factorization.

634920793592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2579711 (or 2579707 counting only the distinct ones).

The product of its (nonzero) digits is 22044960, while the sum is 59.

The spelling of 634920793592 in words is "six hundred thirty-four billion, nine hundred twenty million, seven hundred ninety-three thousand, five hundred ninety-two".