4042450543 has 4 divisors (see below), whose sum is σ = 4050487728. Its totient is φ = 4034413360.

The previous prime is 4042450523. The next prime is 4042450571. The reversal of 4042450543 is 3450542404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4042450543 - 2²¹ = 4040353391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042450523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4017838 + ... + 4018843.

It is an arithmetic number, because the mean of its divisors is an integer number (1012621932).

Almost surely, 2^4042450543 is an apocalyptic number.

4042450543 is a deficient number, since it is larger than the sum of its proper divisors (8037185).

4042450543 is an equidigital number, since it uses as much as digits as its factorization.

4042450543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8037184.

The product of its (nonzero) digits is 38400, while the sum is 31.

The square root of 4042450543 is about 63580.2685036797. The cubic root of 4042450543 is about 1592.9968062238.

Adding to 4042450543 its reverse (3450542404), we get a palindrome (7492992947).

The spelling of 4042450543 in words is "four billion, forty-two million, four hundred fifty thousand, five hundred forty-three".