12637395263 has 2 divisors, whose sum is σ = 12637395264. Its totient is φ = 12637395262.

The previous prime is 12637395233. The next prime is 12637395271. The reversal of 12637395263 is 36259373621.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12637395263 - 2¹⁴ = 12637378879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12637395233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6318697631 + 6318697632.

It is an arithmetic number, because the mean of its divisors is an integer number (6318697632).

Almost surely, 2^12637395263 is an apocalyptic number.

12637395263 is a deficient number, since it is larger than the sum of its proper divisors (1).

12637395263 is an equidigital number, since it uses as much as digits as its factorization.

12637395263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1224720, while the sum is 47.

The spelling of 12637395263 in words is "twelve billion, six hundred thirty-seven million, three hundred ninety-five thousand, two hundred sixty-three".