9766841489 has 2 divisors, whose sum is σ = 9766841490. Its totient is φ = 9766841488.

The previous prime is 9766841471. The next prime is 9766841563. The reversal of 9766841489 is 9841486679.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7596865600 + 2169975889 = 87160^2 + 46583^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9766841489 is a prime.

It is not a weakly prime, because it can be changed into another prime (9766841459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4883420744 + 4883420745.

It is an arithmetic number, because the mean of its divisors is an integer number (4883420745).

Almost surely, 2^9766841489 is an apocalyptic number.

It is an amenable number.

9766841489 is a deficient number, since it is larger than the sum of its proper divisors (1).

9766841489 is an equidigital number, since it uses as much as digits as its factorization.

9766841489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20901888, while the sum is 62.

The square root of 9766841489 is about 98827.3316901757. The cubic root of 9766841489 is about 2137.5586834498.

The spelling of 9766841489 in words is "nine billion, seven hundred sixty-six million, eight hundred forty-one thousand, four hundred eighty-nine".