13340344424401 has 4 divisors (see below), whose sum is σ = 13340355379312. Its totient is φ = 13340333469492.

The previous prime is 13340344424389. The next prime is 13340344424413. The reversal of 13340344424401 is 10442444304331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (13340344424389) and next prime (13340344424413).

It is a cyclic number.

It is not a de Polignac number, because 13340344424401 - 2²⁵ = 13340310869969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13340344224401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3384171 + ... + 6175216.

It is an arithmetic number, because the mean of its divisors is an integer number (3335088844828).

Almost surely, 2^{13340344424401} is an apocalyptic number.

It is an amenable number.

13340344424401 is a deficient number, since it is larger than the sum of its proper divisors (10954911).

13340344424401 is an equidigital number, since it uses as much as digits as its factorization.

13340344424401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10954910.

The product of its (nonzero) digits is 221184, while the sum is 37.

Adding to 13340344424401 its reverse (10442444304331), we get a palindrome (23782788728732).

The spelling of 13340344424401 in words is "thirteen trillion, three hundred forty billion, three hundred forty-four million, four hundred twenty-four thousand, four hundred one".