6395688041 has 2 divisors, whose sum is σ = 6395688042. Its totient is φ = 6395688040.

The previous prime is 6395688029. The next prime is 6395688073. The reversal of 6395688041 is 1408865936.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3841396441 + 2554291600 = 61979^2 + 50540^2 .

It is a cyclic number.

It is not a de Polignac number, because 6395688041 - 2¹⁰ = 6395687017 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (6395618041) 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, 3197844020 + 3197844021.

It is an arithmetic number, because the mean of its divisors is an integer number (3197844021).

Almost surely, 2^6395688041 is an apocalyptic number.

It is an amenable number.

6395688041 is a deficient number, since it is larger than the sum of its proper divisors (1).

6395688041 is an equidigital number, since it uses as much as digits as its factorization.

6395688041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1244160, while the sum is 50.

The square root of 6395688041 is about 79973.0457154159. The cubic root of 6395688041 is about 1856.2184743353.

The spelling of 6395688041 in words is "six billion, three hundred ninety-five million, six hundred eighty-eight thousand, forty-one".