4543622243 has 2 divisors, whose sum is σ = 4543622244. Its totient is φ = 4543622242.

The previous prime is 4543622221. The next prime is 4543622261. The reversal of 4543622243 is 3422263454.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4543622243 - 2²⁰ = 4542573667 is a prime.

It is not a weakly prime, because it can be changed into another prime (4543622143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2271811121 + 2271811122.

It is an arithmetic number, because the mean of its divisors is an integer number (2271811122).

Almost surely, 2^4543622243 is an apocalyptic number.

4543622243 is a deficient number, since it is larger than the sum of its proper divisors (1).

4543622243 is an equidigital number, since it uses as much as digits as its factorization.

4543622243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138240, while the sum is 35.

The square root of 4543622243 is about 67406.3961579315. The cubic root of 4543622243 is about 1656.2811999382.

Adding to 4543622243 its reverse (3422263454), we get a palindrome (7965885697).

The spelling of 4543622243 in words is "four billion, five hundred forty-three million, six hundred twenty-two thousand, two hundred forty-three".