633104947 has 4 divisors (see below), whose sum is σ = 666426280. Its totient is φ = 599783616.

The previous prime is 633104933. The next prime is 633104959. The reversal of 633104947 is 749401336.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-633104947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (633104977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16660638 + ... + 16660675.

It is an arithmetic number, because the mean of its divisors is an integer number (166606570).

Almost surely, 2^633104947 is an apocalyptic number.

633104947 is a deficient number, since it is larger than the sum of its proper divisors (33321333).

633104947 is a wasteful number, since it uses less digits than its factorization.

633104947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33321332.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 633104947 is about 25161.5767987620. The cubic root of 633104947 is about 858.6679156689.

The spelling of 633104947 in words is "six hundred thirty-three million, one hundred four thousand, nine hundred forty-seven".