6842307164909 has 2 divisors, whose sum is σ = 6842307164910. Its totient is φ = 6842307164908.

The previous prime is 6842307164867. The next prime is 6842307164981. The reversal of 6842307164909 is 9094617032486.

6842307164909 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4785440629225 + 2056866535684 = 2187565^2 + 1434178^2 .

It is a cyclic number.

It is not a de Polignac number, because 6842307164909 - 2⁸ = 6842307164653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6842307104909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3421153582454 + 3421153582455.

It is an arithmetic number, because the mean of its divisors is an integer number (3421153582455).

Almost surely, 2^{6842307164909} is an apocalyptic number.

It is an amenable number.

6842307164909 is a deficient number, since it is larger than the sum of its proper divisors (1).

6842307164909 is an equidigital number, since it uses as much as digits as its factorization.

6842307164909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15676416, while the sum is 59.

The spelling of 6842307164909 in words is "six trillion, eight hundred forty-two billion, three hundred seven million, one hundred sixty-four thousand, nine hundred nine".