14344444391 has 4 divisors (see below), whose sum is σ = 14344696152. Its totient is φ = 14344192632.

The previous prime is 14344444381. The next prime is 14344444427. The reversal of 14344444391 is 19344444341.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14344444391 - 2¹⁰ = 14344443367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14344444381) 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, 4820 + ... + 169446.

It is an arithmetic number, because the mean of its divisors is an integer number (3586174038).

Almost surely, 2^14344444391 is an apocalyptic number.

14344444391 is a deficient number, since it is larger than the sum of its proper divisors (251761).

14344444391 is an equidigital number, since it uses as much as digits as its factorization.

14344444391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251760.

The product of its digits is 331776, while the sum is 41.

The spelling of 14344444391 in words is "fourteen billion, three hundred forty-four million, four hundred forty-four thousand, three hundred ninety-one".