634775011 has 12 divisors (see below), whose sum is σ = 696785488. Its totient is φ = 574857504.

The previous prime is 634774981. The next prime is 634775023. The reversal of 634775011 is 110577436.

It is not a de Polignac number, because 634775011 - 2⁵ = 634774979 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (634775411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27826 + ... + 45208.

Almost surely, 2^634775011 is an apocalyptic number.

634775011 is a deficient number, since it is larger than the sum of its proper divisors (62010477).

634775011 is a wasteful number, since it uses less digits than its factorization.

634775011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17502 (or 17449 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 634775011 is about 25194.7417331474. The cubic root of 634775011 is about 859.4222778459.

The spelling of 634775011 in words is "six hundred thirty-four million, seven hundred seventy-five thousand, eleven".