804489163 has 2 divisors, whose sum is σ = 804489164. Its totient is φ = 804489162.

The previous prime is 804489109. The next prime is 804489197. The reversal of 804489163 is 361984408.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 804489163 - 2⁹ = 804488651 is a prime.

It is not a weakly prime, because it can be changed into another prime (804481163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402244581 + 402244582.

It is an arithmetic number, because the mean of its divisors is an integer number (402244582).

Almost surely, 2^804489163 is an apocalyptic number.

804489163 is a deficient number, since it is larger than the sum of its proper divisors (1).

804489163 is an equidigital number, since it uses as much as digits as its factorization.

804489163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 804489163 is about 28363.5181703540. The cubic root of 804489163 is about 930.0509329642.

The spelling of 804489163 in words is "eight hundred four million, four hundred eighty-nine thousand, one hundred sixty-three".