804686473 has 2 divisors, whose sum is σ = 804686474. Its totient is φ = 804686472.

The previous prime is 804686383. The next prime is 804686497. The reversal of 804686473 is 374686408.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 604520569 + 200165904 = 24587^2 + 14148^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-804686473 is a prime.

It is not a weakly prime, because it can be changed into another prime (804686173) 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, 402343236 + 402343237.

It is an arithmetic number, because the mean of its divisors is an integer number (402343237).

Almost surely, 2^804686473 is an apocalyptic number.

It is an amenable number.

804686473 is a deficient number, since it is larger than the sum of its proper divisors (1).

804686473 is an equidigital number, since it uses as much as digits as its factorization.

804686473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 774144, while the sum is 46.

The square root of 804686473 is about 28366.9961927589. The cubic root of 804686473 is about 930.1269618935.

The spelling of 804686473 in words is "eight hundred four million, six hundred eighty-six thousand, four hundred seventy-three".