5082421908209 has 2 divisors, whose sum is σ = 5082421908210. Its totient is φ = 5082421908208.

The previous prime is 5082421908199. The next prime is 5082421908211. The reversal of 5082421908209 is 9028091242805.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5082206640625 + 215267584 = 2254375^2 + 14672^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5082421908209 is a prime.

Together with 5082421908211, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5082421908299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2541210954104 + 2541210954105.

It is an arithmetic number, because the mean of its divisors is an integer number (2541210954105).

Almost surely, 2^{5082421908209} is an apocalyptic number.

It is an amenable number.

5082421908209 is a deficient number, since it is larger than the sum of its proper divisors (1).

5082421908209 is an equidigital number, since it uses as much as digits as its factorization.

5082421908209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 829440, while the sum is 50.

The spelling of 5082421908209 in words is "five trillion, eighty-two billion, four hundred twenty-one million, nine hundred eight thousand, two hundred nine".