344399448943 has 16 divisors (see below), whose sum is σ = 389190153600. Its totient is φ = 301884922080.

The previous prime is 344399448931. The next prime is 344399448947. The reversal of 344399448943 is 349844993443.

It is a cyclic number.

It is not a de Polignac number, because 344399448943 - 2²⁵ = 344365894511 is a prime.

It is a super-2 number, since 2×344399448943² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344399448947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 494721 + ... + 966202.

It is an arithmetic number, because the mean of its divisors is an integer number (24324384600).

Almost surely, 2^344399448943 is an apocalyptic number.

344399448943 is a deficient number, since it is larger than the sum of its proper divisors (44790704657).

344399448943 is a wasteful number, since it uses less digits than its factorization.

344399448943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461702.

The product of its digits is 161243136, while the sum is 64.

The spelling of 344399448943 in words is "three hundred forty-four billion, three hundred ninety-nine million, four hundred forty-eight thousand, nine hundred forty-three".