4342443289 has 2 divisors, whose sum is σ = 4342443290. Its totient is φ = 4342443288.

The previous prime is 4342443269. The next prime is 4342443337. The reversal of 4342443289 is 9823442434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4223960064 + 118483225 = 64992^2 + 10885^2 .

It is a cyclic number.

It is not a de Polignac number, because 4342443289 - 2⁹ = 4342442777 is a prime.

It is a super-2 number, since 2×4342443289² = 37713627436362275042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4342443239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2171221644 + 2171221645.

It is an arithmetic number, because the mean of its divisors is an integer number (2171221645).

Almost surely, 2^4342443289 is an apocalyptic number.

It is an amenable number.

4342443289 is a deficient number, since it is larger than the sum of its proper divisors (1).

4342443289 is an equidigital number, since it uses as much as digits as its factorization.

4342443289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 663552, while the sum is 43.

The square root of 4342443289 is about 65897.2176119751. The cubic root of 4342443289 is about 1631.4660914555.

The spelling of 4342443289 in words is "four billion, three hundred forty-two million, four hundred forty-three thousand, two hundred eighty-nine".