13340445919 has 2 divisors, whose sum is σ = 13340445920. Its totient is φ = 13340445918.

The previous prime is 13340445871. The next prime is 13340445953. The reversal of 13340445919 is 91954404331.

It is a strong prime.

It is an emirp because it is prime and its reverse (91954404331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13340445919 - 2²⁵ = 13306891487 is a prime.

It is a super-2 number, since 2×13340445919² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13340445959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6670222959 + 6670222960.

It is an arithmetic number, because the mean of its divisors is an integer number (6670222960).

Almost surely, 2^13340445919 is an apocalyptic number.

13340445919 is a deficient number, since it is larger than the sum of its proper divisors (1).

13340445919 is an equidigital number, since it uses as much as digits as its factorization.

13340445919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 13340445919 in words is "thirteen billion, three hundred forty million, four hundred forty-five thousand, nine hundred nineteen".