4342397849 has 2 divisors, whose sum is σ = 4342397850. Its totient is φ = 4342397848.

The previous prime is 4342397837. The next prime is 4342397869. The reversal of 4342397849 is 9487932434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2390525449 + 1951872400 = 48893^2 + 44180^2 .

It is a cyclic number.

It is not a de Polignac number, because 4342397849 - 2⁴ = 4342397833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4342397849.

It is not a weakly prime, because it can be changed into another prime (4342397869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2171198924 + 2171198925.

It is an arithmetic number, because the mean of its divisors is an integer number (2171198925).

Almost surely, 2^4342397849 is an apocalyptic number.

It is an amenable number.

4342397849 is a deficient number, since it is larger than the sum of its proper divisors (1).

4342397849 is an equidigital number, since it uses as much as digits as its factorization.

4342397849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5225472, while the sum is 53.

The square root of 4342397849 is about 65896.8728317209. The cubic root of 4342397849 is about 1631.4604007976.

The spelling of 4342397849 in words is "four billion, three hundred forty-two million, three hundred ninety-seven thousand, eight hundred forty-nine".