12799999699 has 2 divisors, whose sum is σ = 12799999700. Its totient is φ = 12799999698.

The previous prime is 12799999697. The next prime is 12799999711. The reversal of 12799999699 is 99699999721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12799999699 - 2¹ = 12799999697 is a prime.

Together with 12799999697, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12799999697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6399999849 + 6399999850.

It is an arithmetic number, because the mean of its divisors is an integer number (6399999850).

Almost surely, 2^12799999699 is an apocalyptic number.

12799999699 is a deficient number, since it is larger than the sum of its proper divisors (1).

12799999699 is an equidigital number, since it uses as much as digits as its factorization.

12799999699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 401769396, while the sum is 79.

The spelling of 12799999699 in words is "twelve billion, seven hundred ninety-nine million, nine hundred ninety-nine thousand, six hundred ninety-nine".