13340444191 has 2 divisors, whose sum is σ = 13340444192. Its totient is φ = 13340444190.

The previous prime is 13340444171. The next prime is 13340444219. The reversal of 13340444191 is 19144404331.

13340444191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13340444191 - 2⁷ = 13340444063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13340444111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6670222095 + 6670222096.

It is an arithmetic number, because the mean of its divisors is an integer number (6670222096).

Almost surely, 2^13340444191 is an apocalyptic number.

13340444191 is a deficient number, since it is larger than the sum of its proper divisors (1).

13340444191 is an equidigital number, since it uses as much as digits as its factorization.

13340444191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 13340444191 in words is "thirteen billion, three hundred forty million, four hundred forty-four thousand, one hundred ninety-one".