13440346341 has 4 divisors (see below), whose sum is σ = 17920461792. Its totient is φ = 8960230892.

The previous prime is 13440346327. The next prime is 13440346411. The reversal of 13440346341 is 14364304431.

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.

It is a cyclic number.

It is not a de Polignac number, because 13440346341 - 2¹⁸ = 13440084197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13440346541) 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, 2240057721 + ... + 2240057726.

It is an arithmetic number, because the mean of its divisors is an integer number (4480115448).

Almost surely, 2^13440346341 is an apocalyptic number.

It is an amenable number.

13440346341 is a deficient number, since it is larger than the sum of its proper divisors (4480115451).

13440346341 is an equidigital number, since it uses as much as digits as its factorization.

13440346341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4480115450.

The product of its (nonzero) digits is 41472, while the sum is 33.

The spelling of 13440346341 in words is "thirteen billion, four hundred forty million, three hundred forty-six thousand, three hundred forty-one".