444642246443 has 4 divisors (see below), whose sum is σ = 468044469960. Its totient is φ = 421240022928.

The previous prime is 444642246431. The next prime is 444642246467. The reversal of 444642246443 is 344642246444.

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 444642246443 - 2⁴ = 444642246427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444642246143) 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, 11701111730 + ... + 11701111767.

It is an arithmetic number, because the mean of its divisors is an integer number (117011117490).

Almost surely, 2^444642246443 is an apocalyptic number.

444642246443 is a deficient number, since it is larger than the sum of its proper divisors (23402223517).

444642246443 is a wasteful number, since it uses less digits than its factorization.

444642246443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23402223516.

The product of its digits is 7077888, while the sum is 47.

Subtracting from 444642246443 its reverse (344642246444), we obtain a palindrome (99999999999).

The spelling of 444642246443 in words is "four hundred forty-four billion, six hundred forty-two million, two hundred forty-six thousand, four hundred forty-three".