4851008809 has 2 divisors, whose sum is σ = 4851008810. Its totient is φ = 4851008808.

The previous prime is 4851008797. The next prime is 4851008881. The reversal of 4851008809 is 9088001584.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4509794025 + 341214784 = 67155^2 + 18472^2 .

It is a cyclic number.

It is not a de Polignac number, because 4851008809 - 2¹⁵ = 4850976041 is a prime.

It is not a weakly prime, because it can be changed into another prime (4851008209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2425504404 + 2425504405.

It is an arithmetic number, because the mean of its divisors is an integer number (2425504405).

Almost surely, 2^4851008809 is an apocalyptic number.

It is an amenable number.

4851008809 is a deficient number, since it is larger than the sum of its proper divisors (1).

4851008809 is an equidigital number, since it uses as much as digits as its factorization.

4851008809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 92160, while the sum is 43.

The square root of 4851008809 is about 69649.1838358498. The cubic root of 4851008809 is about 1692.8196349745.

The spelling of 4851008809 in words is "four billion, eight hundred fifty-one million, eight thousand, eight hundred nine".