8338820249 has 2 divisors, whose sum is σ = 8338820250. Its totient is φ = 8338820248.

The previous prime is 8338820239. The next prime is 8338820311. The reversal of 8338820249 is 9420288338.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4822330249 + 3516490000 = 69443^2 + 59300^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8338820249 is a prime.

It is not a weakly prime, because it can be changed into another prime (8338820209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4169410124 + 4169410125.

It is an arithmetic number, because the mean of its divisors is an integer number (4169410125).

Almost surely, 2^8338820249 is an apocalyptic number.

It is an amenable number.

8338820249 is a deficient number, since it is larger than the sum of its proper divisors (1).

8338820249 is an equidigital number, since it uses as much as digits as its factorization.

8338820249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 663552, while the sum is 47.

The square root of 8338820249 is about 91317.1410470126. The cubic root of 8338820249 is about 2027.8455346259.

The spelling of 8338820249 in words is "eight billion, three hundred thirty-eight million, eight hundred twenty thousand, two hundred forty-nine".