8244199309 has 2 divisors, whose sum is σ = 8244199310. Its totient is φ = 8244199308.

The previous prime is 8244199273. The next prime is 8244199331. The reversal of 8244199309 is 9039914428.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7414932100 + 829267209 = 86110^2 + 28797^2 .

It is a cyclic number.

It is not a de Polignac number, because 8244199309 - 2¹⁷ = 8244068237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8244199409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4122099654 + 4122099655.

It is an arithmetic number, because the mean of its divisors is an integer number (4122099655).

Almost surely, 2^8244199309 is an apocalyptic number.

It is an amenable number.

8244199309 is a deficient number, since it is larger than the sum of its proper divisors (1).

8244199309 is an equidigital number, since it uses as much as digits as its factorization.

8244199309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 559872, while the sum is 49.

The square root of 8244199309 is about 90797.5732550160. The cubic root of 8244199309 is about 2020.1463238284.

The spelling of 8244199309 in words is "eight billion, two hundred forty-four million, one hundred ninety-nine thousand, three hundred nine".