4805000009 has 2 divisors, whose sum is σ = 4805000010. Its totient is φ = 4805000008.

The previous prime is 4804999993. The next prime is 4805000023. The reversal of 4805000009 is 9000005084.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4655059984 + 149940025 = 68228^2 + 12245^2 .

It is a cyclic number.

It is not a de Polignac number, because 4805000009 - 2⁴ = 4804999993 is a prime.

It is not a weakly prime, because it can be changed into another prime (4805000069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2402500004 + 2402500005.

It is an arithmetic number, because the mean of its divisors is an integer number (2402500005).

Almost surely, 2^4805000009 is an apocalyptic number.

It is an amenable number.

4805000009 is a deficient number, since it is larger than the sum of its proper divisors (1).

4805000009 is an equidigital number, since it uses as much as digits as its factorization.

4805000009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 4805000009 is about 69318.1073674116. The cubic root of 4805000009 is about 1687.4508455293.

The spelling of 4805000009 in words is "four billion, eight hundred five million, nine", and thus it is an aban number.