42243110443 has 4 divisors (see below), whose sum is σ = 42777833440. Its totient is φ = 41708387448.

The previous prime is 42243110389. The next prime is 42243110453. The reversal of 42243110443 is 34401134224.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42243110443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42243110453) 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, 267361380 + ... + 267361537.

It is an arithmetic number, because the mean of its divisors is an integer number (10694458360).

Almost surely, 2^42243110443 is an apocalyptic number.

42243110443 is a deficient number, since it is larger than the sum of its proper divisors (534722997).

42243110443 is an equidigital number, since it uses as much as digits as its factorization.

42243110443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534722996.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 42243110443 its reverse (34401134224), we get a palindrome (76644244667).

The spelling of 42243110443 in words is "forty-two billion, two hundred forty-three million, one hundred ten thousand, four hundred forty-three".