13340423121349 has 2 divisors, whose sum is σ = 13340423121350. Its totient is φ = 13340423121348.

The previous prime is 13340423121313. The next prime is 13340423121373. The reversal of 13340423121349 is 94312132404331.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12492817492324 + 847605629025 = 3534518^2 + 920655^2 .

It is a cyclic number.

It is not a de Polignac number, because 13340423121349 - 2¹⁵ = 13340423088581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13340423121449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6670211560674 + 6670211560675.

It is an arithmetic number, because the mean of its divisors is an integer number (6670211560675).

Almost surely, 2^{13340423121349} is an apocalyptic number.

It is an amenable number.

13340423121349 is a deficient number, since it is larger than the sum of its proper divisors (1).

13340423121349 is an equidigital number, since it uses as much as digits as its factorization.

13340423121349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 40.

The spelling of 13340423121349 in words is "thirteen trillion, three hundred forty billion, four hundred twenty-three million, one hundred twenty-one thousand, three hundred forty-nine".