344638767836443 has 8 divisors (see below), whose sum is σ = 346665910851216. Its totient is φ = 342612027252000.

The previous prime is 344638767836387. The next prime is 344638767836459.

344638767836443 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 not a de Polignac number, because 344638767836443 - 2²¹ = 344638765739291 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 344638767836443.

It is not an unprimeable number, because it can be changed into a prime (344638767876443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98889673 + ... + 102315418.

It is an arithmetic number, because the mean of its divisors is an integer number (43333238856402).

Almost surely, 2^{344638767836443} is an apocalyptic number.

344638767836443 is a deficient number, since it is larger than the sum of its proper divisors (2027143014773).

344638767836443 is a wasteful number, since it uses less digits than its factorization.

344638767836443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201215165.

The product of its digits is 14046068736, while the sum is 76.

The spelling of 344638767836443 in words is "three hundred forty-four trillion, six hundred thirty-eight billion, seven hundred sixty-seven million, eight hundred thirty-six thousand, four hundred forty-three".