443144312321 has 16 divisors (see below), whose sum is σ = 468909215040. Its totient is φ = 417625528320.

The previous prime is 443144312311. The next prime is 443144312323. The reversal of 443144312321 is 123213441344.

It is a cyclic number.

It is not a de Polignac number, because 443144312321 - 2⁶ = 443144312257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (443144312323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8444861 + ... + 8497173.

It is an arithmetic number, because the mean of its divisors is an integer number (29306825940).

Almost surely, 2^443144312321 is an apocalyptic number.

It is an amenable number.

443144312321 is a deficient number, since it is larger than the sum of its proper divisors (25764902719).

443144312321 is a wasteful number, since it uses less digits than its factorization.

443144312321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54656.

The product of its digits is 27648, while the sum is 32.

Adding to 443144312321 its reverse (123213441344), we get a palindrome (566357753665).

The spelling of 443144312321 in words is "four hundred forty-three billion, one hundred forty-four million, three hundred twelve thousand, three hundred twenty-one".