630466331 has 8 divisors (see below), whose sum is σ = 692731200. Its totient is φ = 569026440.

The previous prime is 630466321. The next prime is 630466339. The reversal of 630466331 is 133664036.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-630466331 is a prime.

It is a super-2 number, since 2×630466331² = 794975589049203122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630466339) 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, 204641 + ... + 207698.

It is an arithmetic number, because the mean of its divisors is an integer number (86591400).

Almost surely, 2^630466331 is an apocalyptic number.

630466331 is a deficient number, since it is larger than the sum of its proper divisors (62264869).

630466331 is a wasteful number, since it uses less digits than its factorization.

630466331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412489.

The product of its (nonzero) digits is 23328, while the sum is 32.

The square root of 630466331 is about 25109.0886134881. The cubic root of 630466331 is about 857.4733534150.

The spelling of 630466331 in words is "six hundred thirty million, four hundred sixty-six thousand, three hundred thirty-one".