630480863 has 2 divisors, whose sum is σ = 630480864. Its totient is φ = 630480862.

The previous prime is 630480841. The next prime is 630480919. The reversal of 630480863 is 368084036.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 630480863 - 2²² = 626286559 is a prime.

It is a super-2 number, since 2×630480863² = 795012237218449538, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (630483863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315240431 + 315240432.

It is an arithmetic number, because the mean of its divisors is an integer number (315240432).

Almost surely, 2^630480863 is an apocalyptic number.

630480863 is a deficient number, since it is larger than the sum of its proper divisors (1).

630480863 is an equidigital number, since it uses as much as digits as its factorization.

630480863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 630480863 is about 25109.3779891100. The cubic root of 630480863 is about 857.4799415051.

The spelling of 630480863 in words is "six hundred thirty million, four hundred eighty thousand, eight hundred sixty-three".