6681100219 has 2 divisors, whose sum is σ = 6681100220. Its totient is φ = 6681100218.

The previous prime is 6681100199. The next prime is 6681100229. The reversal of 6681100219 is 9120011866.

6681100219 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 is a cyclic number.

It is not a de Polignac number, because 6681100219 - 2⁹ = 6681099707 is a prime.

It is a super-2 number, since 2×6681100219² = 89274200272643695922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6681100229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3340550109 + 3340550110.

It is an arithmetic number, because the mean of its divisors is an integer number (3340550110).

Almost surely, 2^6681100219 is an apocalyptic number.

6681100219 is a deficient number, since it is larger than the sum of its proper divisors (1).

6681100219 is an equidigital number, since it uses as much as digits as its factorization.

6681100219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 6681100219 is about 81737.9974002300. The cubic root of 6681100219 is about 1883.4293279983.

The spelling of 6681100219 in words is "six billion, six hundred eighty-one million, one hundred thousand, two hundred nineteen".