344191075685 has 32 divisors (see below), whose sum is σ = 439019112672. Its totient is φ = 258681323520.

The previous prime is 344191075681. The next prime is 344191075691. The reversal of 344191075685 is 586570191443.

It is a Cunningham number, because it is equal to 586678²+1.

It can be written as a sum of positive squares in 16 ways, for example, as 36203814529 + 307987261156 = 190273^2 + 554966^2 .

It is not a de Polignac number, because 344191075685 - 2² = 344191075681 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 (344191075681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 501839 + ... + 969651.

It is an arithmetic number, because the mean of its divisors is an integer number (13719347271).

Almost surely, 2^344191075685 is an apocalyptic number.

It is an amenable number.

344191075685 is a deficient number, since it is larger than the sum of its proper divisors (94828036987).

344191075685 is a wasteful number, since it uses less digits than its factorization.

344191075685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467993.

The product of its (nonzero) digits is 3628800, while the sum is 53.

The spelling of 344191075685 in words is "three hundred forty-four billion, one hundred ninety-one million, seventy-five thousand, six hundred eighty-five".