630399036959 has 4 divisors (see below), whose sum is σ = 635211243480. Its totient is φ = 625586830440.

The previous prime is 630399036929. The next prime is 630399036961. The reversal of 630399036959 is 959630993036.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-630399036959 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 (630399036929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2406103064 + ... + 2406103325.

It is an arithmetic number, because the mean of its divisors is an integer number (158802810870).

Almost surely, 2^630399036959 is an apocalyptic number.

630399036959 is a deficient number, since it is larger than the sum of its proper divisors (4812206521).

630399036959 is a wasteful number, since it uses less digits than its factorization.

630399036959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4812206520.

The product of its (nonzero) digits is 31886460, while the sum is 62.

The spelling of 630399036959 in words is "six hundred thirty billion, three hundred ninety-nine million, thirty-six thousand, nine hundred fifty-nine".