12799793689 has 2 divisors, whose sum is σ = 12799793690. Its totient is φ = 12799793688.

The previous prime is 12799793621. The next prime is 12799793737. The reversal of 12799793689 is 98639799721.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12631961664 + 167832025 = 112392^2 + 12955^2 .

It is a cyclic number.

It is not a de Polignac number, because 12799793689 - 2¹⁹ = 12799269401 is a prime.

It is not a weakly prime, because it can be changed into another prime (12799793609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6399896844 + 6399896845.

It is an arithmetic number, because the mean of its divisors is an integer number (6399896845).

Almost surely, 2^12799793689 is an apocalyptic number.

It is an amenable number.

12799793689 is a deficient number, since it is larger than the sum of its proper divisors (1).

12799793689 is an equidigital number, since it uses as much as digits as its factorization.

12799793689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 92588832, while the sum is 70.

The spelling of 12799793689 in words is "twelve billion, seven hundred ninety-nine million, seven hundred ninety-three thousand, six hundred eighty-nine".