444864468443 has 4 divisors (see below), whose sum is σ = 445508267208. Its totient is φ = 444220669680.

The previous prime is 444864468421. The next prime is 444864468457. The reversal of 444864468443 is 344864468444.

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

It is a cyclic number.

It is not a de Polignac number, because 444864468443 - 2⁶ = 444864468379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444864468493) 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, 321898346 + ... + 321899727.

It is an arithmetic number, because the mean of its divisors is an integer number (111377066802).

Almost surely, 2^444864468443 is an apocalyptic number.

444864468443 is a deficient number, since it is larger than the sum of its proper divisors (643798765).

444864468443 is an equidigital number, since it uses as much as digits as its factorization.

444864468443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643798764.

The product of its digits is 113246208, while the sum is 59.

Subtracting from 444864468443 its reverse (344864468444), we obtain a palindrome (99999999999).

The spelling of 444864468443 in words is "four hundred forty-four billion, eight hundred sixty-four million, four hundred sixty-eight thousand, four hundred forty-three".