6805694573 has 2 divisors, whose sum is σ = 6805694574. Its totient is φ = 6805694572.

The previous prime is 6805694557. The next prime is 6805694587. The reversal of 6805694573 is 3754965086.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3476635369 + 3329059204 = 58963^2 + 57698^2 .

It is a cyclic number.

It is not a de Polignac number, because 6805694573 - 2⁴ = 6805694557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6805694513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3402847286 + 3402847287.

It is an arithmetic number, because the mean of its divisors is an integer number (3402847287).

Almost surely, 2^6805694573 is an apocalyptic number.

It is an amenable number.

6805694573 is a deficient number, since it is larger than the sum of its proper divisors (1).

6805694573 is an equidigital number, since it uses as much as digits as its factorization.

6805694573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5443200, while the sum is 53.

The square root of 6805694573 is about 82496.6337070792. The cubic root of 6805694573 is about 1895.0651785909.

The spelling of 6805694573 in words is "six billion, eight hundred five million, six hundred ninety-four thousand, five hundred seventy-three".