4431242543 has 32 divisors (see below), whose sum is σ = 5673682560. Its totient is φ = 3366074880.

The previous prime is 4431242521. The next prime is 4431242551. The reversal of 4431242543 is 3452421344.

It is not a de Polignac number, because 4431242543 - 2¹⁰ = 4431241519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4431242243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 473021 + ... + 482297.

It is an arithmetic number, because the mean of its divisors is an integer number (177302580).

Almost surely, 2^4431242543 is an apocalyptic number.

4431242543 is a deficient number, since it is larger than the sum of its proper divisors (1242440017).

4431242543 is a wasteful number, since it uses less digits than its factorization.

4431242543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9507.

The product of its digits is 46080, while the sum is 32.

The square root of 4431242543 is about 66567.5787677455. The cubic root of 4431242543 is about 1642.5118338971.

Adding to 4431242543 its reverse (3452421344), we get a palindrome (7883663887).

The spelling of 4431242543 in words is "four billion, four hundred thirty-one million, two hundred forty-two thousand, five hundred forty-three".