8248187813 has 2 divisors, whose sum is σ = 8248187814. Its totient is φ = 8248187812.

The previous prime is 8248187797. The next prime is 8248187819. The reversal of 8248187813 is 3187818428.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6943388929 + 1304798884 = 83327^2 + 36122^2 .

It is a cyclic number.

It is not a de Polignac number, because 8248187813 - 2⁴ = 8248187797 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8248187819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4124093906 + 4124093907.

It is an arithmetic number, because the mean of its divisors is an integer number (4124093907).

Almost surely, 2^8248187813 is an apocalyptic number.

It is an amenable number.

8248187813 is a deficient number, since it is larger than the sum of its proper divisors (1).

8248187813 is an equidigital number, since it uses as much as digits as its factorization.

8248187813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 688128, while the sum is 50.

The square root of 8248187813 is about 90819.5343139349. The cubic root of 8248187813 is about 2020.4720503330.

The spelling of 8248187813 in words is "eight billion, two hundred forty-eight million, one hundred eighty-seven thousand, eight hundred thirteen".