444423324443 has 4 divisors (see below), whose sum is σ = 507912370800. Its totient is φ = 380934278088.

The previous prime is 444423324431. The next prime is 444423324509. The reversal of 444423324443 is 344423324444.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 444423324443 - 2¹⁴ = 444423308059 is a prime.

It is a super-3 number, since 3×444423324443³ (a number of 36 digits) contains 333 as substring.

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 444423324443.

It is not an unprimeable number, because it can be changed into a prime (444423321443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31744523168 + ... + 31744523181.

It is an arithmetic number, because the mean of its divisors is an integer number (126978092700).

Almost surely, 2^444423324443 is an apocalyptic number.

444423324443 is a deficient number, since it is larger than the sum of its proper divisors (63489046357).

444423324443 is an equidigital number, since it uses as much as digits as its factorization.

444423324443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63489046356.

The product of its digits is 1769472, while the sum is 41.

Adding to 444423324443 its reverse (344423324444), we get a palindrome (788846648887).

Subtracting from 444423324443 its reverse (344423324444), we obtain a palindrome (99999999999).

The spelling of 444423324443 in words is "four hundred forty-four billion, four hundred twenty-three million, three hundred twenty-four thousand, four hundred forty-three".