13333300091 has 2 divisors, whose sum is σ = 13333300092. Its totient is φ = 13333300090.

The previous prime is 13333300087. The next prime is 13333300133. The reversal of 13333300091 is 19000333331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13333300091 - 2² = 13333300087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13333300091.

It is not a weakly prime, because it can be changed into another prime (13333302091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6666650045 + 6666650046.

It is an arithmetic number, because the mean of its divisors is an integer number (6666650046).

Almost surely, 2^13333300091 is an apocalyptic number.

13333300091 is a deficient number, since it is larger than the sum of its proper divisors (1).

13333300091 is an equidigital number, since it uses as much as digits as its factorization.

13333300091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2187, while the sum is 26.

The spelling of 13333300091 in words is "thirteen billion, three hundred thirty-three million, three hundred thousand, ninety-one".