13099999993 has 2 divisors, whose sum is σ = 13099999994. Its totient is φ = 13099999992.

The previous prime is 13099999967. The next prime is 13100000003. The reversal of 13099999993 is 39999999031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8119451664 + 4980548329 = 90108^2 + 70573^2 .

It is a cyclic number.

It is not a de Polignac number, because 13099999993 - 2⁹ = 13099999481 is a prime.

It is not a weakly prime, because it can be changed into another prime (13099999963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6549999996 + 6549999997.

It is an arithmetic number, because the mean of its divisors is an integer number (6549999997).

Almost surely, 2^13099999993 is an apocalyptic number.

It is an amenable number.

13099999993 is a deficient number, since it is larger than the sum of its proper divisors (1).

13099999993 is an equidigital number, since it uses as much as digits as its factorization.

13099999993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43046721, while the sum is 70.

The spelling of 13099999993 in words is "thirteen billion, ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-three".