12633626413 has 2 divisors, whose sum is σ = 12633626414. Its totient is φ = 12633626412.

The previous prime is 12633626293. The next prime is 12633626417. The reversal of 12633626413 is 31462633621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11788096329 + 845530084 = 108573^2 + 29078^2 .

It is an emirp because it is prime and its reverse (31462633621) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12633626413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12633626417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6316813206 + 6316813207.

It is an arithmetic number, because the mean of its divisors is an integer number (6316813207).

Almost surely, 2^12633626413 is an apocalyptic number.

It is an amenable number.

12633626413 is a deficient number, since it is larger than the sum of its proper divisors (1).

12633626413 is an equidigital number, since it uses as much as digits as its factorization.

12633626413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 37.

The spelling of 12633626413 in words is "twelve billion, six hundred thirty-three million, six hundred twenty-six thousand, four hundred thirteen".