2144552221441 has 8 divisors (see below), whose sum is σ = 2595088402560. Its totient is φ = 1730058934848.

The previous prime is 2144552221397. The next prime is 2144552221451. The reversal of 2144552221441 is 1441222554412.

It is a happy number.

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 2144552221441 - 2²⁷ = 2144418003713 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 2144552221441.

It is not an unprimeable number, because it can be changed into a prime (2144552221451) 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, 9010723501 + ... + 9010723738.

It is an arithmetic number, because the mean of its divisors is an integer number (324386050320).

Almost surely, 2^{2144552221441} is an apocalyptic number.

It is an amenable number.

2144552221441 is a deficient number, since it is larger than the sum of its proper divisors (450536181119).

2144552221441 is a wasteful number, since it uses less digits than its factorization.

2144552221441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18021447263.

The product of its digits is 102400, while the sum is 37.

Adding to 2144552221441 its reverse (1441222554412), we get a palindrome (3585774775853).

The spelling of 2144552221441 in words is "two trillion, one hundred forty-four billion, five hundred fifty-two million, two hundred twenty-one thousand, four hundred forty-one".