2243444666879 has 8 divisors (see below), whose sum is σ = 2521061565792. Its totient is φ = 1980834086880.

The previous prime is 2243444666873. The next prime is 2243444666921. The reversal of 2243444666879 is 9786664443422.

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 2243444666879 - 2⁴ = 2243444666863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243444666873) 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, 3751579412 + ... + 3751580009.

It is an arithmetic number, because the mean of its divisors is an integer number (315132695724).

Almost surely, 2^{2243444666879} is an apocalyptic number.

2243444666879 is a deficient number, since it is larger than the sum of its proper divisors (277616898913).

2243444666879 is a wasteful number, since it uses less digits than its factorization.

2243444666879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7503159457.

The product of its digits is 334430208, while the sum is 65.

The spelling of 2243444666879 in words is "two trillion, two hundred forty-three billion, four hundred forty-four million, six hundred sixty-six thousand, eight hundred seventy-nine".