630557230941639 has 80 divisors (see below), whose sum is σ = 1000809434592000. Its totient is φ = 394886840173056.

The previous prime is 630557230941623. The next prime is 630557230941661. The reversal of 630557230941639 is 936149032755036.

630557230941639 is a `hidden beast` number, since 6 + 3 + 0 + 557 + 2 + 3 + 0 + 9 + 41 + 6 + 39 = 666.

It is not a de Polignac number, because 630557230941639 - 2⁴ = 630557230941623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630557230941689) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1877065939 + ... + 1877401835.

It is an arithmetic number, because the mean of its divisors is an integer number (12510117932400).

Almost surely, 2^{630557230941639} is an apocalyptic number.

630557230941639 is a deficient number, since it is larger than the sum of its proper divisors (370252203650361).

630557230941639 is a wasteful number, since it uses less digits than its factorization.

630557230941639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357574 (or 357565 counting only the distinct ones).

The product of its (nonzero) digits is 110224800, while the sum is 63.

The spelling of 630557230941639 in words is "six hundred thirty trillion, five hundred fifty-seven billion, two hundred thirty million, nine hundred forty-one thousand, six hundred thirty-nine".