9864334673 has 2 divisors, whose sum is σ = 9864334674. Its totient is φ = 9864334672.

The previous prime is 9864334663. The next prime is 9864334693. The reversal of 9864334673 is 3764334689.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6938390209 + 2925944464 = 83297^2 + 54092^2 .

It is an emirp because it is prime and its reverse (3764334689) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9864334673 - 2⁴ = 9864334657 is a prime.

It is not a weakly prime, because it can be changed into another prime (9864334663) 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, 4932167336 + 4932167337.

It is an arithmetic number, because the mean of its divisors is an integer number (4932167337).

Almost surely, 2^9864334673 is an apocalyptic number.

It is an amenable number.

9864334673 is a deficient number, since it is larger than the sum of its proper divisors (1).

9864334673 is an equidigital number, since it uses as much as digits as its factorization.

9864334673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7838208, while the sum is 53.

The square root of 9864334673 is about 99319.3569904679. The cubic root of 9864334673 is about 2144.6475603247.

The spelling of 9864334673 in words is "nine billion, eight hundred sixty-four million, three hundred thirty-four thousand, six hundred seventy-three".