344053320505 has 32 divisors (see below), whose sum is σ = 435490089984. Its totient is φ = 260682379776.

The previous prime is 344053320497. The next prime is 344053320511. The reversal of 344053320505 is 505023350443.

It is a cyclic number.

It is not a de Polignac number, because 344053320505 - 2³ = 344053320497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 720012 + ... + 1098418.

It is an arithmetic number, because the mean of its divisors is an integer number (13609065312).

Almost surely, 2^344053320505 is an apocalyptic number.

It is an amenable number.

344053320505 is a deficient number, since it is larger than the sum of its proper divisors (91436769479).

344053320505 is a wasteful number, since it uses less digits than its factorization.

344053320505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378585.

The product of its (nonzero) digits is 108000, while the sum is 34.

Adding to 344053320505 its reverse (505023350443), we get a palindrome (849076670948).

The spelling of 344053320505 in words is "three hundred forty-four billion, fifty-three million, three hundred twenty thousand, five hundred five".