13399099993 has 2 divisors, whose sum is σ = 13399099994. Its totient is φ = 13399099992.

The previous prime is 13399099897. The next prime is 13399100009. The reversal of 13399099993 is 39999099331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7612911504 + 5786188489 = 87252^2 + 76067^2 .

It is a cyclic number.

It is not a de Polignac number, because 13399099993 - 2²¹ = 13397002841 is a prime.

It is not a weakly prime, because it can be changed into another prime (13399099393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6699549996 + 6699549997.

It is an arithmetic number, because the mean of its divisors is an integer number (6699549997).

Almost surely, 2^13399099993 is an apocalyptic number.

It is an amenable number.

13399099993 is a deficient number, since it is larger than the sum of its proper divisors (1).

13399099993 is an equidigital number, since it uses as much as digits as its factorization.

13399099993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14348907, while the sum is 64.

The spelling of 13399099993 in words is "thirteen billion, three hundred ninety-nine million, ninety-nine thousand, nine hundred ninety-three".