630139594444 has 12 divisors (see below), whose sum is σ = 1112503090104. Its totient is φ = 312281568704.

The previous prime is 630139594429. The next prime is 630139594459. The reversal of 630139594444 is 444495931036.

It is an interprime number because it is at equal distance from previous prime (630139594429) and next prime (630139594459).

It is a junction number, because it is equal to n+sod(n) for n = 630139594391 and 630139594400.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 697056622 + ... + 697057525.

It is an arithmetic number, because the mean of its divisors is an integer number (92708590842).

Almost surely, 2^630139594444 is an apocalyptic number.

It is an amenable number.

630139594444 is a deficient number, since it is larger than the sum of its proper divisors (482363495660).

630139594444 is a wasteful number, since it uses less digits than its factorization.

630139594444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394114264 (or 1394114262 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 52.

The spelling of 630139594444 in words is "six hundred thirty billion, one hundred thirty-nine million, five hundred ninety-four thousand, four hundred forty-four".