2144444221441 has 4 divisors (see below), whose sum is σ = 2257309706800. Its totient is φ = 2031578736084.

The previous prime is 2144444221433. The next prime is 2144444221481. The reversal of 2144444221441 is 1441224444412.

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 2144444221441 - 2³ = 2144444221433 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 2144444221441.

It is not an unprimeable number, because it can be changed into a prime (2144444221481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56432742651 + ... + 56432742688.

It is an arithmetic number, because the mean of its divisors is an integer number (564327426700).

Almost surely, 2^{2144444221441} is an apocalyptic number.

It is an amenable number.

2144444221441 is a deficient number, since it is larger than the sum of its proper divisors (112865485359).

2144444221441 is a wasteful number, since it uses less digits than its factorization.

2144444221441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112865485358.

The product of its digits is 131072, while the sum is 37.

Adding to 2144444221441 its reverse (1441224444412), we get a palindrome (3585668665853).

The spelling of 2144444221441 in words is "two trillion, one hundred forty-four billion, four hundred forty-four million, two hundred twenty-one thousand, four hundred forty-one".