7044221379889 has 4 divisors (see below), whose sum is σ = 7044305143540. Its totient is φ = 7044137616240.

The previous prime is 7044221379869. The next prime is 7044221379893. The reversal of 7044221379889 is 9889731224407.

7044221379889 is digitally balanced in base 3, 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.

It can be written as a sum of positive squares in 2 ways, for example, as 4448281719025 + 2595939660864 = 2109095^2 + 1611192^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7044221379889 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 7044221379889.

It is not an unprimeable number, because it can be changed into a prime (7044221379809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41755554 + ... + 41923915.

It is an arithmetic number, because the mean of its divisors is an integer number (1761076285885).

Almost surely, 2^{7044221379889} is an apocalyptic number.

It is an amenable number.

7044221379889 is a deficient number, since it is larger than the sum of its proper divisors (83763651).

7044221379889 is an equidigital number, since it uses as much as digits as its factorization.

7044221379889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83763650.

The product of its (nonzero) digits is 48771072, while the sum is 64.

The spelling of 7044221379889 in words is "seven trillion, forty-four billion, two hundred twenty-one million, three hundred seventy-nine thousand, eight hundred eighty-nine".