6825406871 has 2 divisors, whose sum is σ = 6825406872. Its totient is φ = 6825406870.

The previous prime is 6825406867. The next prime is 6825406901. The reversal of 6825406871 is 1786045286.

6825406871 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 is a cyclic number.

It is not a de Polignac number, because 6825406871 - 2² = 6825406867 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6825400871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3412703435 + 3412703436.

It is an arithmetic number, because the mean of its divisors is an integer number (3412703436).

Almost surely, 2^6825406871 is an apocalyptic number.

6825406871 is a deficient number, since it is larger than the sum of its proper divisors (1).

6825406871 is an equidigital number, since it uses as much as digits as its factorization.

6825406871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 645120, while the sum is 47.

The square root of 6825406871 is about 82616.0206679068. The cubic root of 6825406871 is about 1896.8930635812.

The spelling of 6825406871 in words is "six billion, eight hundred twenty-five million, four hundred six thousand, eight hundred seventy-one".