344340721475 has 12 divisors (see below), whose sum is σ = 427946351496. Its totient is φ = 274850734080.

The previous prime is 344340721409. The next prime is 344340721477. The reversal of 344340721475 is 574127043443.

It is not a de Polignac number, because 344340721475 - 2¹² = 344340717379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344340721477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15534782 + ... + 15556931.

It is an arithmetic number, because the mean of its divisors is an integer number (35662195958).

Almost surely, 2^344340721475 is an apocalyptic number.

344340721475 is a deficient number, since it is larger than the sum of its proper divisors (83605630021).

344340721475 is a wasteful number, since it uses less digits than its factorization.

344340721475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31092166 (or 31092161 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 44.

The spelling of 344340721475 in words is "three hundred forty-four billion, three hundred forty million, seven hundred twenty-one thousand, four hundred seventy-five".