6929189 has 2 divisors, whose sum is σ = 6929190. Its totient is φ = 6929188.

The previous prime is 6929161. The next prime is 6929191. The reversal of 6929189 is 9819296.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5085025 + 1844164 = 2255^2 + 1358^2 .

It is a cyclic number.

It is not a de Polignac number, because 6929189 - 2¹⁶ = 6863653 is a prime.

Together with 6929191, 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 (6929159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3464594 + 3464595.

It is an arithmetic number, because the mean of its divisors is an integer number (3464595).

Almost surely, 2^6929189 is an apocalyptic number.

It is an amenable number.

6929189 is a deficient number, since it is larger than the sum of its proper divisors (1).

6929189 is an equidigital number, since it uses as much as digits as its factorization.

6929189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 44.

The square root of 6929189 is about 2632.3352749982. The cubic root of 6929189 is about 190.6458996704.

The spelling of 6929189 in words is "six million, nine hundred twenty-nine thousand, one hundred eighty-nine".