4865787809 has 2 divisors, whose sum is σ = 4865787810. Its totient is φ = 4865787808.

The previous prime is 4865787799. The next prime is 4865787853. The reversal of 4865787809 is 9087875684.

4865787809 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4796947600 + 68840209 = 69260^2 + 8297^2 .

It is a cyclic number.

It is not a de Polignac number, because 4865787809 - 2³² = 570820513 is a prime.

It is not a weakly prime, because it can be changed into another prime (4865787109) 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, 2432893904 + 2432893905.

It is an arithmetic number, because the mean of its divisors is an integer number (2432893905).

Almost surely, 2^4865787809 is an apocalyptic number.

It is an amenable number.

4865787809 is a deficient number, since it is larger than the sum of its proper divisors (1).

4865787809 is an equidigital number, since it uses as much as digits as its factorization.

4865787809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27095040, while the sum is 62.

The square root of 4865787809 is about 69755.1991538982. The cubic root of 4865787809 is about 1694.5369971859.

The spelling of 4865787809 in words is "four billion, eight hundred sixty-five million, seven hundred eighty-seven thousand, eight hundred nine".