344742787247443 has 8 divisors (see below), whose sum is σ = 371270440760688. Its totient is φ = 318216416244384.

The previous prime is 344742787247381. The next prime is 344742787247477.

344742787247443 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344742787247443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344742787247843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320069221 + ... + 321144502.

It is an arithmetic number, because the mean of its divisors is an integer number (46408805095086).

Almost surely, 2^{344742787247443} is an apocalyptic number.

344742787247443 is a deficient number, since it is larger than the sum of its proper divisors (26527653513245).

344742787247443 is a wasteful number, since it uses less digits than its factorization.

344742787247443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641255093.

The product of its digits is 2832334848, while the sum is 70.

The spelling of 344742787247443 in words is "three hundred forty-four trillion, seven hundred forty-two billion, seven hundred eighty-seven million, two hundred forty-seven thousand, four hundred forty-three".