2804538563 has 2 divisors, whose sum is σ = 2804538564. Its totient is φ = 2804538562.

The previous prime is 2804538559. The next prime is 2804538577. The reversal of 2804538563 is 3658354082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2804538563 - 2² = 2804538559 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2804531563) 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, 1402269281 + 1402269282.

It is an arithmetic number, because the mean of its divisors is an integer number (1402269282).

Almost surely, 2^2804538563 is an apocalyptic number.

2804538563 is a deficient number, since it is larger than the sum of its proper divisors (1).

2804538563 is an equidigital number, since it uses as much as digits as its factorization.

2804538563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 691200, while the sum is 44.

The square root of 2804538563 is about 52957.8942462783. The cubic root of 2804538563 is about 1410.2208736361.

The spelling of 2804538563 in words is "two billion, eight hundred four million, five hundred thirty-eight thousand, five hundred sixty-three".