633945057 has 8 divisors (see below), whose sum is σ = 847697376. Its totient is φ = 421411392.

The previous prime is 633945049. The next prime is 633945101. The reversal of 633945057 is 750549336.

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

It is not a de Polignac number, because 633945057 - 2³ = 633945049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (633945007) 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, 303448 + ... + 305529.

It is an arithmetic number, because the mean of its divisors is an integer number (105962172).

Almost surely, 2^633945057 is an apocalyptic number.

It is an amenable number.

633945057 is a deficient number, since it is larger than the sum of its proper divisors (213752319).

633945057 is a wasteful number, since it uses less digits than its factorization.

633945057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609327.

The product of its (nonzero) digits is 340200, while the sum is 42.

The square root of 633945057 is about 25178.2655677471. The cubic root of 633945057 is about 859.0475560747.

The spelling of 633945057 in words is "six hundred thirty-three million, nine hundred forty-five thousand, fifty-seven".