44193979766721 has 4 divisors (see below), whose sum is σ = 58925306355632. Its totient is φ = 29462653177812.

The previous prime is 44193979766609. The next prime is 44193979766723. The reversal of 44193979766721 is 12766797939144.

44193979766721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 44193979766721 - 2²⁶ = 44193912657857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44193979766723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7365663294451 + ... + 7365663294456.

It is an arithmetic number, because the mean of its divisors is an integer number (14731326588908).

Almost surely, 2^{44193979766721} is an apocalyptic number.

It is an amenable number.

44193979766721 is a deficient number, since it is larger than the sum of its proper divisors (14731326588911).

44193979766721 is a wasteful number, since it uses less digits than its factorization.

44193979766721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14731326588910.

The product of its digits is 864162432, while the sum is 75.

The spelling of 44193979766721 in words is "forty-four trillion, one hundred ninety-three billion, nine hundred seventy-nine million, seven hundred sixty-six thousand, seven hundred twenty-one".