12634527133 has 2 divisors, whose sum is σ = 12634527134. Its totient is φ = 12634527132.

The previous prime is 12634527091. The next prime is 12634527161. The reversal of 12634527133 is 33172543621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8874016804 + 3760510329 = 94202^2 + 61323^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12634527133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12634527092 and 12634527101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12634527173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6317263566 + 6317263567.

It is an arithmetic number, because the mean of its divisors is an integer number (6317263567).

Almost surely, 2^12634527133 is an apocalyptic number.

It is an amenable number.

12634527133 is a deficient number, since it is larger than the sum of its proper divisors (1).

12634527133 is an equidigital number, since it uses as much as digits as its factorization.

12634527133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 37.

The spelling of 12634527133 in words is "twelve billion, six hundred thirty-four million, five hundred twenty-seven thousand, one hundred thirty-three".