12630633641 has 2 divisors, whose sum is σ = 12630633642. Its totient is φ = 12630633640.

The previous prime is 12630633619. The next prime is 12630633643. The reversal of 12630633641 is 14633603621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12589737616 + 40896025 = 112204^2 + 6395^2 .

It is a cyclic number.

It is not a de Polignac number, because 12630633641 - 2⁶ = 12630633577 is a prime.

Together with 12630633643, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12630633643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6315316820 + 6315316821.

It is an arithmetic number, because the mean of its divisors is an integer number (6315316821).

Almost surely, 2^12630633641 is an apocalyptic number.

It is an amenable number.

12630633641 is a deficient number, since it is larger than the sum of its proper divisors (1).

12630633641 is an equidigital number, since it uses as much as digits as its factorization.

12630633641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 35.

The spelling of 12630633641 in words is "twelve billion, six hundred thirty million, six hundred thirty-three thousand, six hundred forty-one".