12637743659 has 2 divisors, whose sum is σ = 12637743660. Its totient is φ = 12637743658.

The previous prime is 12637743653. The next prime is 12637743673. The reversal of 12637743659 is 95634773621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12637743659 - 2⁸ = 12637743403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12637743659.

It is not a weakly prime, because it can be changed into another prime (12637743653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6318871829 + 6318871830.

It is an arithmetic number, because the mean of its divisors is an integer number (6318871830).

Almost surely, 2^12637743659 is an apocalyptic number.

12637743659 is a deficient number, since it is larger than the sum of its proper divisors (1).

12637743659 is an equidigital number, since it uses as much as digits as its factorization.

12637743659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5715360, while the sum is 53.

The spelling of 12637743659 in words is "twelve billion, six hundred thirty-seven million, seven hundred forty-three thousand, six hundred fifty-nine".