8375509213 has 2 divisors, whose sum is σ = 8375509214. Its totient is φ = 8375509212.

The previous prime is 8375509211. The next prime is 8375509229. The reversal of 8375509213 is 3129055738.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8273357764 + 102151449 = 90958^2 + 10107^2 .

It is a cyclic number.

It is not a de Polignac number, because 8375509213 - 2¹ = 8375509211 is a prime.

Together with 8375509211, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 8375509213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8375509211) 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, 4187754606 + 4187754607.

It is an arithmetic number, because the mean of its divisors is an integer number (4187754607).

Almost surely, 2^8375509213 is an apocalyptic number.

It is an amenable number.

8375509213 is a deficient number, since it is larger than the sum of its proper divisors (1).

8375509213 is an equidigital number, since it uses as much as digits as its factorization.

8375509213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 8375509213 is about 91517.8081741472. The cubic root of 8375509213 is about 2030.8152074602.

The spelling of 8375509213 in words is "eight billion, three hundred seventy-five million, five hundred nine thousand, two hundred thirteen".