4342023809 has 2 divisors, whose sum is σ = 4342023810. Its totient is φ = 4342023808.

The previous prime is 4342023799. The next prime is 4342023827. The reversal of 4342023809 is 9083202434.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2417885584 + 1924138225 = 49172^2 + 43865^2 .

It is a cyclic number.

It is not a de Polignac number, because 4342023809 - 2⁴ = 4342023793 is a prime.

It is not a weakly prime, because it can be changed into another prime (4342023209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2171011904 + 2171011905.

It is an arithmetic number, because the mean of its divisors is an integer number (2171011905).

Almost surely, 2^4342023809 is an apocalyptic number.

It is an amenable number.

4342023809 is a deficient number, since it is larger than the sum of its proper divisors (1).

4342023809 is an equidigital number, since it uses as much as digits as its factorization.

4342023809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 4342023809 is about 65894.0346996600. The cubic root of 4342023809 is about 1631.4135565584.

The spelling of 4342023809 in words is "four billion, three hundred forty-two million, twenty-three thousand, eight hundred nine".