633764013 has 8 divisors (see below), whose sum is σ = 855199968. Its totient is φ = 417418704.

The previous prime is 633763997. The next prime is 633764023. The reversal of 633764013 is 310467336.

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

It is not a de Polignac number, because 633764013 - 2⁴ = 633763997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (633764023) 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, 1272370 + ... + 1272867.

It is an arithmetic number, because the mean of its divisors is an integer number (106899996).

Almost surely, 2^633764013 is an apocalyptic number.

It is an amenable number.

633764013 is a deficient number, since it is larger than the sum of its proper divisors (221435955).

633764013 is a wasteful number, since it uses less digits than its factorization.

633764013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2545323.

The product of its (nonzero) digits is 27216, while the sum is 33.

The square root of 633764013 is about 25174.6700673514. The cubic root of 633764013 is about 858.9657717983.

The spelling of 633764013 in words is "six hundred thirty-three million, seven hundred sixty-four thousand, thirteen".