6484025209 has 2 divisors, whose sum is σ = 6484025210. Its totient is φ = 6484025208.

The previous prime is 6484025189. The next prime is 6484025213. The reversal of 6484025209 is 9025204846.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5898240000 + 585785209 = 76800^2 + 24203^2 .

It is a cyclic number.

It is not a de Polignac number, because 6484025209 - 2⁷ = 6484025081 is a prime.

It is not a weakly prime, because it can be changed into another prime (6484025279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3242012604 + 3242012605.

It is an arithmetic number, because the mean of its divisors is an integer number (3242012605).

Almost surely, 2^6484025209 is an apocalyptic number.

It is an amenable number.

6484025209 is a deficient number, since it is larger than the sum of its proper divisors (1).

6484025209 is an equidigital number, since it uses as much as digits as its factorization.

6484025209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 6484025209 is about 80523.4450889926. The cubic root of 6484025209 is about 1864.7254502208.

The spelling of 6484025209 in words is "six billion, four hundred eighty-four million, twenty-five thousand, two hundred nine".