630263815 has 8 divisors (see below), whose sum is σ = 782396640. Its totient is φ = 486824352.

The previous prime is 630263813. The next prime is 630263861. The reversal of 630263815 is 518362036.

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

It is a cyclic number.

It is not a de Polignac number, because 630263815 - 2¹ = 630263813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630263813) 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, 2173179 + ... + 2173468.

It is an arithmetic number, because the mean of its divisors is an integer number (97799580).

Almost surely, 2^630263815 is an apocalyptic number.

630263815 is a deficient number, since it is larger than the sum of its proper divisors (152132825).

630263815 is a wasteful number, since it uses less digits than its factorization.

630263815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4346681.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 630263815 is about 25105.0555665587. The cubic root of 630263815 is about 857.3815321383.

The spelling of 630263815 in words is "six hundred thirty million, two hundred sixty-three thousand, eight hundred fifteen".