12869599243 has 2 divisors, whose sum is σ = 12869599244. Its totient is φ = 12869599242.

The previous prime is 12869599217. The next prime is 12869599261. The reversal of 12869599243 is 34299596821.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12869599243 is a prime.

It is not a weakly prime, because it can be changed into another prime (12869599343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6434799621 + 6434799622.

It is an arithmetic number, because the mean of its divisors is an integer number (6434799622).

Almost surely, 2^12869599243 is an apocalyptic number.

12869599243 is a deficient number, since it is larger than the sum of its proper divisors (1).

12869599243 is an equidigital number, since it uses as much as digits as its factorization.

12869599243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8398080, while the sum is 58.

The spelling of 12869599243 in words is "twelve billion, eight hundred sixty-nine million, five hundred ninety-nine thousand, two hundred forty-three".