12869438899 has 2 divisors, whose sum is σ = 12869438900. Its totient is φ = 12869438898.

The previous prime is 12869438863. The next prime is 12869438941. The reversal of 12869438899 is 99883496821.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12869438899 is a prime.

It is not a weakly prime, because it can be changed into another prime (12869438599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6434719449 + 6434719450.

It is an arithmetic number, because the mean of its divisors is an integer number (6434719450).

Almost surely, 2^12869438899 is an apocalyptic number.

12869438899 is a deficient number, since it is larger than the sum of its proper divisors (1).

12869438899 is an equidigital number, since it uses as much as digits as its factorization.

12869438899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53747712, while the sum is 67.

The spelling of 12869438899 in words is "twelve billion, eight hundred sixty-nine million, four hundred thirty-eight thousand, eight hundred ninety-nine".