633264379 has 4 divisors (see below), whose sum is σ = 690833880. Its totient is φ = 575694880.

The previous prime is 633264377. The next prime is 633264389. The reversal of 633264379 is 973462336.

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

It is a cyclic number.

It is not a de Polignac number, because 633264379 - 2¹ = 633264377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (633264371) 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, 28784734 + ... + 28784755.

It is an arithmetic number, because the mean of its divisors is an integer number (172708470).

Almost surely, 2^633264379 is an apocalyptic number.

633264379 is a deficient number, since it is larger than the sum of its proper divisors (57569501).

633264379 is a wasteful number, since it uses less digits than its factorization.

633264379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57569500.

The product of its digits is 489888, while the sum is 43.

The square root of 633264379 is about 25164.7447632596. The cubic root of 633264379 is about 858.7399877921.

The spelling of 633264379 in words is "six hundred thirty-three million, two hundred sixty-four thousand, three hundred seventy-nine".