444221432399 has 2 divisors, whose sum is σ = 444221432400. Its totient is φ = 444221432398.

The previous prime is 444221432273. The next prime is 444221432419. The reversal of 444221432399 is 993234122444.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 444221432399 - 2²⁰ = 444220383823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444221434399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222110716199 + 222110716200.

It is an arithmetic number, because the mean of its divisors is an integer number (222110716200).

Almost surely, 2^444221432399 is an apocalyptic number.

444221432399 is a deficient number, since it is larger than the sum of its proper divisors (1).

444221432399 is an equidigital number, since it uses as much as digits as its factorization.

444221432399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1492992, while the sum is 47.

The spelling of 444221432399 in words is "four hundred forty-four billion, two hundred twenty-one million, four hundred thirty-two thousand, three hundred ninety-nine".