443344422110421 has 8 divisors (see below), whose sum is σ = 636597118927840. Its totient is φ = 272827336683312.

The previous prime is 443344422110371. The next prime is 443344422110423. The reversal of 443344422110421 is 124011224443344.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 443344422110421 - 2²³ = 443344413721813 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 11367805695139 = 443344422110421 / (4 + 4 + 3 + 3 + 4 + 4 + 4 + 2 + 2 + 1 + 1 + 0 + 4 + 2 + 1).

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 443344422110421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (443344422110423) 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, 5683902847531 + ... + 5683902847608.

It is an arithmetic number, because the mean of its divisors is an integer number (79574639865980).

Almost surely, 2^{443344422110421} is an apocalyptic number.

It is an amenable number.

443344422110421 is a deficient number, since it is larger than the sum of its proper divisors (193252696817419).

443344422110421 is a wasteful number, since it uses less digits than its factorization.

443344422110421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11367805695155.

The product of its (nonzero) digits is 294912, while the sum is 39.

Adding to 443344422110421 its reverse (124011224443344), we get a palindrome (567355646553765).

The spelling of 443344422110421 in words is "four hundred forty-three trillion, three hundred forty-four billion, four hundred twenty-two million, one hundred ten thousand, four hundred twenty-one".