9673663873 has 2 divisors, whose sum is σ = 9673663874. Its totient is φ = 9673663872.

The previous prime is 9673663847. The next prime is 9673663889. The reversal of 9673663873 is 3783663769.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5110391169 + 4563272704 = 71487^2 + 67552^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9673663873 is a prime.

It is not a weakly prime, because it can be changed into another prime (9673663673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4836831936 + 4836831937.

It is an arithmetic number, because the mean of its divisors is an integer number (4836831937).

Almost surely, 2^9673663873 is an apocalyptic number.

It is an amenable number.

9673663873 is a deficient number, since it is larger than the sum of its proper divisors (1).

9673663873 is an equidigital number, since it uses as much as digits as its factorization.

9673663873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20575296, while the sum is 58.

The square root of 9673663873 is about 98354.7857147785. The cubic root of 9673663873 is about 2130.7393726526.

The spelling of 9673663873 in words is "nine billion, six hundred seventy-three million, six hundred sixty-three thousand, eight hundred seventy-three".