6808041869 has 2 divisors, whose sum is σ = 6808041870. Its totient is φ = 6808041868.

The previous prime is 6808041857. The next prime is 6808041887. The reversal of 6808041869 is 9681408086.

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., 5156676100 + 1651365769 = 71810^2 + 40637^2 .

It is a cyclic number.

It is not a de Polignac number, because 6808041869 - 2⁸ = 6808041613 is a prime.

It is a super-2 number, since 2×6808041869² = 92698868180114026322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6808049869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3404020934 + 3404020935.

It is an arithmetic number, because the mean of its divisors is an integer number (3404020935).

Almost surely, 2^6808041869 is an apocalyptic number.

It is an amenable number.

6808041869 is a deficient number, since it is larger than the sum of its proper divisors (1).

6808041869 is an equidigital number, since it uses as much as digits as its factorization.

6808041869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 663552, while the sum is 50.

The square root of 6808041869 is about 82510.8590974546. The cubic root of 6808041869 is about 1895.2830239829.

The spelling of 6808041869 in words is "six billion, eight hundred eight million, forty-one thousand, eight hundred sixty-nine".