632644011 has 12 divisors (see below), whose sum is σ = 924830088. Its totient is φ = 416680704.

The previous prime is 632643971. The next prime is 632644021. The reversal of 632644011 is 110446236.

632644011 is a `hidden beast` number, since 6 + 3 + 2 + 644 + 0 + 11 = 666.

It is not a de Polignac number, because 632644011 - 2²² = 628449707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (632644021) 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, 422710 + ... + 424203.

It is an arithmetic number, because the mean of its divisors is an integer number (77069174).

Almost surely, 2^632644011 is an apocalyptic number.

632644011 is a deficient number, since it is larger than the sum of its proper divisors (292186077).

632644011 is a wasteful number, since it uses less digits than its factorization.

632644011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847002 (or 846999 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 632644011 is about 25152.4156096388. The cubic root of 632644011 is about 858.4594789014.

The spelling of 632644011 in words is "six hundred thirty-two million, six hundred forty-four thousand, eleven".