4866439009 has 2 divisors, whose sum is σ = 4866439010. Its totient is φ = 4866439008.

The previous prime is 4866438977. The next prime is 4866439021. The reversal of 4866439009 is 9009346684.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3952888384 + 913550625 = 62872^2 + 30225^2 .

It is a cyclic number.

It is not a de Polignac number, because 4866439009 - 2⁵ = 4866438977 is a prime.

It is not a weakly prime, because it can be changed into another prime (4866439069) 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, 2433219504 + 2433219505.

It is an arithmetic number, because the mean of its divisors is an integer number (2433219505).

Almost surely, 2^4866439009 is an apocalyptic number.

It is an amenable number.

4866439009 is a deficient number, since it is larger than the sum of its proper divisors (1).

4866439009 is an equidigital number, since it uses as much as digits as its factorization.

4866439009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1119744, while the sum is 49.

The square root of 4866439009 is about 69759.8667501594. The cubic root of 4866439009 is about 1694.6125884578.

The spelling of 4866439009 in words is "four billion, eight hundred sixty-six million, four hundred thirty-nine thousand, nine".