444423324431 has 2 divisors, whose sum is σ = 444423324432. Its totient is φ = 444423324430.

The previous prime is 444423324419. The next prime is 444423324509. The reversal of 444423324431 is 134423324444.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 444423324431 - 2¹⁴ = 444423308047 is a prime.

It is a super-3 number, since 3×444423324431³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444423320431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222211662215 + 222211662216.

It is an arithmetic number, because the mean of its divisors is an integer number (222211662216).

Almost surely, 2^444423324431 is an apocalyptic number.

444423324431 is a deficient number, since it is larger than the sum of its proper divisors (1).

444423324431 is an equidigital number, since it uses as much as digits as its factorization.

444423324431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 442368, while the sum is 38.

Adding to 444423324431 its reverse (134423324444), we get a palindrome (578846648875).

The spelling of 444423324431 in words is "four hundred forty-four billion, four hundred twenty-three million, three hundred twenty-four thousand, four hundred thirty-one".