12889615799 has 2 divisors, whose sum is σ = 12889615800. Its totient is φ = 12889615798.

The previous prime is 12889615757. The next prime is 12889615813. The reversal of 12889615799 is 99751698821.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (99751698821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12889615799 - 2¹² = 12889611703 is a prime.

It is a super-2 number, since 2×12889615799² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12889615729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6444807899 + 6444807900.

It is an arithmetic number, because the mean of its divisors is an integer number (6444807900).

Almost surely, 2^12889615799 is an apocalyptic number.

12889615799 is a deficient number, since it is larger than the sum of its proper divisors (1).

12889615799 is an equidigital number, since it uses as much as digits as its factorization.

12889615799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19595520, while the sum is 65.

The spelling of 12889615799 in words is "twelve billion, eight hundred eighty-nine million, six hundred fifteen thousand, seven hundred ninety-nine".