13032099991 has 2 divisors, whose sum is σ = 13032099992. Its totient is φ = 13032099990.

The previous prime is 13032099979. The next prime is 13032100027. The reversal of 13032099991 is 19999023031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13032099991 - 2⁷ = 13032099863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13032099901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6516049995 + 6516049996.

It is an arithmetic number, because the mean of its divisors is an integer number (6516049996).

Almost surely, 2^13032099991 is an apocalyptic number.

13032099991 is a deficient number, since it is larger than the sum of its proper divisors (1).

13032099991 is an equidigital number, since it uses as much as digits as its factorization.

13032099991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 118098, while the sum is 46.

It can be divided in two parts, 1303209999 and 1, that added together give a 4-th power (1303210000 = 190⁴).

The spelling of 13032099991 in words is "thirteen billion, thirty-two million, ninety-nine thousand, nine hundred ninety-one".