6768109 has 2 divisors, whose sum is σ = 6768110. Its totient is φ = 6768108.

The previous prime is 6768089. The next prime is 6768127. The reversal of 6768109 is 9018676.

6768109 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 can be written as a sum of positive squares in only one way, i.e., 6487209 + 280900 = 2547^2 + 530^2 .

It is a cyclic number.

It is not a de Polignac number, because 6768109 - 2¹³ = 6759917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6768149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3384054 + 3384055.

It is an arithmetic number, because the mean of its divisors is an integer number (3384055).

Almost surely, 2^6768109 is an apocalyptic number.

It is an amenable number.

6768109 is a deficient number, since it is larger than the sum of its proper divisors (1).

6768109 is an equidigital number, since it uses as much as digits as its factorization.

6768109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 6768109 is about 2601.5589557033. The cubic root of 6768109 is about 189.1570133141.

The spelling of 6768109 in words is "six million, seven hundred sixty-eight thousand, one hundred nine".