13040443099 has 2 divisors, whose sum is σ = 13040443100. Its totient is φ = 13040443098.

The previous prime is 13040443069. The next prime is 13040443121. The reversal of 13040443099 is 99034404031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13040443099 - 2⁷ = 13040442971 is a prime.

It is not a weakly prime, because it can be changed into another prime (13040443049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6520221549 + 6520221550.

It is an arithmetic number, because the mean of its divisors is an integer number (6520221550).

Almost surely, 2^13040443099 is an apocalyptic number.

13040443099 is a deficient number, since it is larger than the sum of its proper divisors (1).

13040443099 is an equidigital number, since it uses as much as digits as its factorization.

13040443099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 37.

The spelling of 13040443099 in words is "thirteen billion, forty million, four hundred forty-three thousand, ninety-nine".