634651433 has 8 divisors (see below), whose sum is σ = 719443200. Its totient is φ = 554998608.

The previous prime is 634651427. The next prime is 634651453. The reversal of 634651433 is 334156436.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 634651433 - 2²⁴ = 617874217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 634651393 and 634651402.

It is not an unprimeable number, because it can be changed into a prime (634651453) 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, 1284473 + ... + 1284966.

It is an arithmetic number, because the mean of its divisors is an integer number (89930400).

Almost surely, 2^634651433 is an apocalyptic number.

It is an amenable number.

634651433 is a deficient number, since it is larger than the sum of its proper divisors (84791767).

634651433 is a wasteful number, since it uses less digits than its factorization.

634651433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2569471.

The product of its digits is 77760, while the sum is 35.

The square root of 634651433 is about 25192.2891575974. The cubic root of 634651433 is about 859.3665034497.

The spelling of 634651433 in words is "six hundred thirty-four million, six hundred fifty-one thousand, four hundred thirty-three".