444121121443 has 8 divisors (see below), whose sum is σ = 448067464128. Its totient is φ = 440175060864.

The previous prime is 444121121429. The next prime is 444121121447. The reversal of 444121121443 is 344121121444.

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 444121121443 - 2⁹ = 444121120931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444121121447) 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, 4275105 + ... + 4377757.

It is an arithmetic number, because the mean of its divisors is an integer number (56008433016).

Almost surely, 2^444121121443 is an apocalyptic number.

444121121443 is a deficient number, since it is larger than the sum of its proper divisors (3946342685).

444121121443 is a wasteful number, since it uses less digits than its factorization.

444121121443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141053.

The product of its digits is 12288, while the sum is 31.

Adding to 444121121443 its reverse (344121121444), we get a palindrome (788242242887).

Subtracting from 444121121443 its reverse (344121121444), we obtain a palindrome (99999999999).

The spelling of 444121121443 in words is "four hundred forty-four billion, one hundred twenty-one million, one hundred twenty-one thousand, four hundred forty-three".