6709189 has 2 divisors, whose sum is σ = 6709190. Its totient is φ = 6709188.

The previous prime is 6709187. The next prime is 6709201. The reversal of 6709189 is 9819076.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6708100 + 1089 = 2590^2 + 33^2 .

It is a cyclic number.

It is not a de Polignac number, because 6709189 - 2¹ = 6709187 is a prime.

Together with 6709187, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6709181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3354594 + 3354595.

It is an arithmetic number, because the mean of its divisors is an integer number (3354595).

Almost surely, 2^6709189 is an apocalyptic number.

It is an amenable number.

6709189 is a deficient number, since it is larger than the sum of its proper divisors (1).

6709189 is an equidigital number, since it uses as much as digits as its factorization.

6709189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 6709189 is about 2590.2102231286. The cubic root of 6709189 is about 188.6065084886.

The spelling of 6709189 in words is "six million, seven hundred nine thousand, one hundred eighty-nine".