844333312745 has 24 divisors (see below), whose sum is σ = 1110352271616. Its totient is φ = 615995485248.

The previous prime is 844333312723. The next prime is 844333312783. The reversal of 844333312745 is 547213333448.

It is not a de Polignac number, because 844333312745 - 2²⁶ = 844266203881 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 844333312745.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5949209 + ... + 6089478.

It is an arithmetic number, because the mean of its divisors is an integer number (46264677984).

Almost surely, 2^844333312745 is an apocalyptic number.

It is an amenable number.

844333312745 is a deficient number, since it is larger than the sum of its proper divisors (266018958871).

844333312745 is a wasteful number, since it uses less digits than its factorization.

844333312745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12038801 (or 12038788 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 47.

The spelling of 844333312745 in words is "eight hundred forty-four billion, three hundred thirty-three million, three hundred twelve thousand, seven hundred forty-five".