6789191 has 2 divisors, whose sum is σ = 6789192. Its totient is φ = 6789190.

The previous prime is 6789157. The next prime is 6789199. The reversal of 6789191 is 1919876.

It is a happy number.

6789191 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 6789191 - 2¹⁸ = 6527047 is a prime.

It is a super-2 number, since 2×6789191² = 92186228868962, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6789199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3394595 + 3394596.

It is an arithmetic number, because the mean of its divisors is an integer number (3394596).

Almost surely, 2^6789191 is an apocalyptic number.

6789191 is a deficient number, since it is larger than the sum of its proper divisors (1).

6789191 is an equidigital number, since it uses as much as digits as its factorization.

6789191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 41.

The square root of 6789191 is about 2605.6076066822. The cubic root of 6789191 is about 189.3532116299.

The spelling of 6789191 in words is "six million, seven hundred eighty-nine thousand, one hundred ninety-one".