4402243243 has 2 divisors, whose sum is σ = 4402243244. Its totient is φ = 4402243242.

The previous prime is 4402243213. The next prime is 4402243249. The reversal of 4402243243 is 3423422044.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4402243243 is a prime.

It is not a weakly prime, because it can be changed into another prime (4402243249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2201121621 + 2201121622.

It is an arithmetic number, because the mean of its divisors is an integer number (2201121622).

Almost surely, 2^4402243243 is an apocalyptic number.

4402243243 is a deficient number, since it is larger than the sum of its proper divisors (1).

4402243243 is an equidigital number, since it uses as much as digits as its factorization.

4402243243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 28.

The square root of 4402243243 is about 66349.4027328054. The cubic root of 4402243243 is about 1638.9209691482.

Adding to 4402243243 its reverse (3423422044), we get a palindrome (7825665287).

The spelling of 4402243243 in words is "four billion, four hundred two million, two hundred forty-three thousand, two hundred forty-three".