444322221403999 has 4 divisors (see below), whose sum is σ = 444414923729136. Its totient is φ = 444229519078864.

The previous prime is 444322221403993. The next prime is 444322221404101. The reversal of 444322221403999 is 999304122223444.

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 444322221403999 - 2¹¹ = 444322221401951 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444322221403993) 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, 46351155379 + ... + 46351164964.

It is an arithmetic number, because the mean of its divisors is an integer number (111103730932284).

Almost surely, 2^{444322221403999} is an apocalyptic number.

444322221403999 is a deficient number, since it is larger than the sum of its proper divisors (92702325137).

444322221403999 is an equidigital number, since it uses as much as digits as its factorization.

444322221403999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92702325136.

The product of its (nonzero) digits is 26873856, while the sum is 58.

The spelling of 444322221403999 in words is "four hundred forty-four trillion, three hundred twenty-two billion, two hundred twenty-one million, four hundred three thousand, nine hundred ninety-nine".