630557230941641 has 32 divisors (see below), whose sum is σ = 668708460625920. Its totient is φ = 592919223955200.

The previous prime is 630557230941623. The next prime is 630557230941661. The reversal of 630557230941641 is 146149032755036.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-630557230941641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630557230941661) 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, 21798209720 + ... + 21798238646.

It is an arithmetic number, because the mean of its divisors is an integer number (20897139394560).

Almost surely, 2^{630557230941641} is an apocalyptic number.

It is an amenable number.

630557230941641 is a deficient number, since it is larger than the sum of its proper divisors (38151229684279).

630557230941641 is a wasteful number, since it uses less digits than its factorization.

630557230941641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44805.

The product of its (nonzero) digits is 16329600, while the sum is 56.

The spelling of 630557230941641 in words is "six hundred thirty trillion, five hundred fifty-seven billion, two hundred thirty million, nine hundred forty-one thousand, six hundred forty-one".