12637674899 has 2 divisors, whose sum is σ = 12637674900. Its totient is φ = 12637674898.

The previous prime is 12637674859. The next prime is 12637674901. The reversal of 12637674899 is 99847673621.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12637674899 is a prime.

Together with 12637674901, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12637674859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6318837449 + 6318837450.

It is an arithmetic number, because the mean of its divisors is an integer number (6318837450).

Almost surely, 2^12637674899 is an apocalyptic number.

12637674899 is a deficient number, since it is larger than the sum of its proper divisors (1).

12637674899 is an equidigital number, since it uses as much as digits as its factorization.

12637674899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27433728, while the sum is 62.

The spelling of 12637674899 in words is "twelve billion, six hundred thirty-seven million, six hundred seventy-four thousand, eight hundred ninety-nine".