630336863 has 32 divisors (see below), whose sum is σ = 734469120. Its totient is φ = 535818240.

The previous prime is 630336821. The next prime is 630336869. The reversal of 630336863 is 368633036.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-630336863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630336869) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3300098 + ... + 3300288.

It is an arithmetic number, because the mean of its divisors is an integer number (22952160).

Almost surely, 2^630336863 is an apocalyptic number.

630336863 is a deficient number, since it is larger than the sum of its proper divisors (104132257).

630336863 is a wasteful number, since it uses less digits than its factorization.

630336863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467.

The product of its (nonzero) digits is 139968, while the sum is 38.

The square root of 630336863 is about 25106.5103708182. The cubic root of 630336863 is about 857.4146545574.

Adding to 630336863 its reverse (368633036), we get a palindrome (998969899).

It can be divided in two parts, 63033 and 6863, that added together give a palindrome (69896).

The spelling of 630336863 in words is "six hundred thirty million, three hundred thirty-six thousand, eight hundred sixty-three".