4431243111443 has 16 divisors (see below), whose sum is σ = 4543016375040. Its totient is φ = 4321286021664.

The previous prime is 4431243111437. The next prime is 4431243111479. The reversal of 4431243111443 is 3441113421344.

It is a cyclic number.

It is not a de Polignac number, because 4431243111443 - 2⁸ = 4431243111187 is a prime.

It is a super-2 number, since 2×4431243111443² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4431243111433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 619280 + ... + 3040722.

It is an arithmetic number, because the mean of its divisors is an integer number (283938523440).

Almost surely, 2^{4431243111443} is an apocalyptic number.

4431243111443 is a deficient number, since it is larger than the sum of its proper divisors (111773263597).

4431243111443 is a wasteful number, since it uses less digits than its factorization.

4431243111443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2421818.

The product of its digits is 55296, while the sum is 35.

Adding to 4431243111443 its reverse (3441113421344), we get a palindrome (7872356532787).

The spelling of 4431243111443 in words is "four trillion, four hundred thirty-one billion, two hundred forty-three million, one hundred eleven thousand, four hundred forty-three".