12636951412837 has 2 divisors, whose sum is σ = 12636951412838. Its totient is φ = 12636951412836.

The previous prime is 12636951412807. The next prime is 12636951412873. The reversal of 12636951412837 is 73821415963621.

Together with next prime (12636951412873) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12636951412801 + 36 = 3554849^2 + 6^2 .

It is a cyclic number.

It is not a de Polignac number, because 12636951412837 - 2²³ = 12636943024229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12636951412807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6318475706418 + 6318475706419.

It is an arithmetic number, because the mean of its divisors is an integer number (6318475706419).

Almost surely, 2^{12636951412837} is an apocalyptic number.

It is an amenable number.

12636951412837 is a deficient number, since it is larger than the sum of its proper divisors (1).

12636951412837 is an equidigital number, since it uses as much as digits as its factorization.

12636951412837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13063680, while the sum is 58.

The spelling of 12636951412837 in words is "twelve trillion, six hundred thirty-six billion, nine hundred fifty-one million, four hundred twelve thousand, eight hundred thirty-seven".