4043043543 has 48 divisors (see below), whose sum is σ = 6782565888. Its totient is φ = 2096952000.

The previous prime is 4043043533. The next prime is 4043043551. The reversal of 4043043543 is 3453403404.

It is not a de Polignac number, because 4043043543 - 2¹⁸ = 4042781399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4043043543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4043043533) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3106993 + ... + 3108293.

It is an arithmetic number, because the mean of its divisors is an integer number (141303456).

Almost surely, 2^4043043543 is an apocalyptic number.

4043043543 is a deficient number, since it is larger than the sum of its proper divisors (2739522345).

4043043543 is a wasteful number, since it uses less digits than its factorization.

4043043543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2556 (or 2545 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 30.

The square root of 4043043543 is about 63584.9317291448. The cubic root of 4043043543 is about 1593.0746963475.

Adding to 4043043543 its reverse (3453403404), we get a palindrome (7496446947).

The spelling of 4043043543 in words is "four billion, forty-three million, forty-three thousand, five hundred forty-three".