6682720201 has 2 divisors, whose sum is σ = 6682720202. Its totient is φ = 6682720200.

The previous prime is 6682720193. The next prime is 6682720207. The reversal of 6682720201 is 1020272866.

6682720201 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5673704976 + 1009015225 = 75324^2 + 31765^2 .

It is a cyclic number.

It is not a de Polignac number, because 6682720201 - 2³ = 6682720193 is a prime.

It is not a weakly prime, because it can be changed into another prime (6682720207) 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, 3341360100 + 3341360101.

It is an arithmetic number, because the mean of its divisors is an integer number (3341360101).

Almost surely, 2^6682720201 is an apocalyptic number.

It is an amenable number.

6682720201 is a deficient number, since it is larger than the sum of its proper divisors (1).

6682720201 is an equidigital number, since it uses as much as digits as its factorization.

6682720201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 6682720201 is about 81747.9064013263. The cubic root of 6682720201 is about 1883.5815422015.

The spelling of 6682720201 in words is "six billion, six hundred eighty-two million, seven hundred twenty thousand, two hundred one".