344501313621 has 16 divisors (see below), whose sum is σ = 465738701760. Its totient is φ = 226467239040.

The previous prime is 344501313613. The next prime is 344501313623. The reversal of 344501313621 is 126313105443.

It is not a de Polignac number, because 344501313621 - 2³ = 344501313613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344501313623) 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, 740166 + ... + 1112136.

It is an arithmetic number, because the mean of its divisors is an integer number (29108668860).

Almost surely, 2^344501313621 is an apocalyptic number.

It is an amenable number.

344501313621 is a deficient number, since it is larger than the sum of its proper divisors (121237388139).

344501313621 is a wasteful number, since it uses less digits than its factorization.

344501313621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376276.

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 344501313621 in words is "three hundred forty-four billion, five hundred one million, three hundred thirteen thousand, six hundred twenty-one".