12634622043653 has 2 divisors, whose sum is σ = 12634622043654. Its totient is φ = 12634622043652.

The previous prime is 12634622043611. The next prime is 12634622043683. The reversal of 12634622043653 is 35634022643621.

12634622043653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12599674358404 + 34947685249 = 3549602^2 + 186943^2 .

It is a cyclic number.

It is not a de Polignac number, because 12634622043653 - 2¹⁰ = 12634622042629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12634622043598 and 12634622043607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12634622043683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6317311021826 + 6317311021827.

It is an arithmetic number, because the mean of its divisors is an integer number (6317311021827).

Almost surely, 2^{12634622043653} is an apocalyptic number.

It is an amenable number.

12634622043653 is a deficient number, since it is larger than the sum of its proper divisors (1).

12634622043653 is an equidigital number, since it uses as much as digits as its factorization.

12634622043653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3732480, while the sum is 47.

The spelling of 12634622043653 in words is "twelve trillion, six hundred thirty-four billion, six hundred twenty-two million, forty-three thousand, six hundred fifty-three".