6789929 has 2 divisors, whose sum is σ = 6789930. Its totient is φ = 6789928.

The previous prime is 6789901. The next prime is 6789931. The reversal of 6789929 is 9299876.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6760000 + 29929 = 2600^2 + 173^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6789929 is a prime.

It is a super-2 number, since 2×6789929² = 92206271650082, which contains 22 as substring.

Together with 6789931, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6789529) 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, 3394964 + 3394965.

It is an arithmetic number, because the mean of its divisors is an integer number (3394965).

Almost surely, 2^6789929 is an apocalyptic number.

It is an amenable number.

6789929 is a deficient number, since it is larger than the sum of its proper divisors (1).

6789929 is an equidigital number, since it uses as much as digits as its factorization.

6789929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 50.

The square root of 6789929 is about 2605.7492204738. The cubic root of 6789929 is about 189.3600724182.

The spelling of 6789929 in words is "six million, seven hundred eighty-nine thousand, nine hundred twenty-nine".