6818941 has 2 divisors, whose sum is σ = 6818942. Its totient is φ = 6818940.

The previous prime is 6818939. The next prime is 6818947. The reversal of 6818941 is 1498186.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5428900 + 1390041 = 2330^2 + 1179^2 .

It is a cyclic number.

It is not a de Polignac number, because 6818941 - 2¹ = 6818939 is a prime.

It is a super-2 number, since 2×6818941² = 92995912722962, which contains 22 as substring.

Together with 6818939, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6818941.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6818947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3409470 + 3409471.

It is an arithmetic number, because the mean of its divisors is an integer number (3409471).

Almost surely, 2^6818941 is an apocalyptic number.

It is an amenable number.

6818941 is a deficient number, since it is larger than the sum of its proper divisors (1).

6818941 is an equidigital number, since it uses as much as digits as its factorization.

6818941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 37.

The square root of 6818941 is about 2611.3102075395. The cubic root of 6818941 is about 189.6293883629.

The spelling of 6818941 in words is "six million, eight hundred eighteen thousand, nine hundred forty-one".