8481967609 has 2 divisors, whose sum is σ = 8481967610. Its totient is φ = 8481967608.

The previous prime is 8481967603. The next prime is 8481967649. The reversal of 8481967609 is 9067691848.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5181120400 + 3300847209 = 71980^2 + 57453^2 .

It is a cyclic number.

It is not a de Polignac number, because 8481967609 - 2¹¹ = 8481965561 is a prime.

It is not a weakly prime, because it can be changed into another prime (8481967603) 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, 4240983804 + 4240983805.

It is an arithmetic number, because the mean of its divisors is an integer number (4240983805).

Almost surely, 2^8481967609 is an apocalyptic number.

It is an amenable number.

8481967609 is a deficient number, since it is larger than the sum of its proper divisors (1).

8481967609 is an equidigital number, since it uses as much as digits as its factorization.

8481967609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5225472, while the sum is 58.

The square root of 8481967609 is about 92097.5982803026. The cubic root of 8481967609 is about 2039.3833527234.

The spelling of 8481967609 in words is "eight billion, four hundred eighty-one million, nine hundred sixty-seven thousand, six hundred nine".