8243394299 has 16 divisors (see below), whose sum is σ = 10007114688. Its totient is φ = 6628856832.

The previous prime is 8243394287. The next prime is 8243394311. The reversal of 8243394299 is 9924933428.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8243394287) and next prime (8243394311).

It is a cyclic number.

It is not a de Polignac number, because 8243394299 - 2¹⁶ = 8243328763 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8243394299.

It is not an unprimeable number, because it can be changed into a prime (8243394199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73412 + ... + 147905.

It is an arithmetic number, because the mean of its divisors is an integer number (625444668).

Almost surely, 2^8243394299 is an apocalyptic number.

8243394299 is a deficient number, since it is larger than the sum of its proper divisors (1763720389).

8243394299 is a wasteful number, since it uses less digits than its factorization.

8243394299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221654.

The product of its digits is 3359232, while the sum is 53.

The square root of 8243394299 is about 90793.1401538685. The cubic root of 8243394299 is about 2020.0805688709.

The spelling of 8243394299 in words is "eight billion, two hundred forty-three million, three hundred ninety-four thousand, two hundred ninety-nine".