4043422043 has 4 divisors (see below), whose sum is σ = 4111954680. Its totient is φ = 3974889408.

The previous prime is 4043421983. The next prime is 4043422081. The reversal of 4043422043 is 3402243404.

4043422043 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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 4043422043 - 2¹⁸ = 4043159899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4043422343) 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, 34266230 + ... + 34266347.

It is an arithmetic number, because the mean of its divisors is an integer number (1027988670).

Almost surely, 2^4043422043 is an apocalyptic number.

4043422043 is a deficient number, since it is larger than the sum of its proper divisors (68532637).

4043422043 is an equidigital number, since it uses as much as digits as its factorization.

4043422043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68532636.

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 4043422043 is about 63587.9079935800. The cubic root of 4043422043 is about 1593.1244080685.

Adding to 4043422043 its reverse (3402243404), we get a palindrome (7445665447).

The spelling of 4043422043 in words is "four billion, forty-three million, four hundred twenty-two thousand, forty-three".