9986437273 has 2 divisors, whose sum is σ = 9986437274. Its totient is φ = 9986437272.

The previous prime is 9986437271. The next prime is 9986437289. The reversal of 9986437273 is 3727346899.

9986437273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6658070409 + 3328366864 = 81597^2 + 57692^2 .

It is a cyclic number.

It is not a de Polignac number, because 9986437273 - 2¹ = 9986437271 is a prime.

Together with 9986437271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (9986437271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4993218636 + 4993218637.

It is an arithmetic number, because the mean of its divisors is an integer number (4993218637).

Almost surely, 2^9986437273 is an apocalyptic number.

It is an amenable number.

9986437273 is a deficient number, since it is larger than the sum of its proper divisors (1).

9986437273 is an equidigital number, since it uses as much as digits as its factorization.

9986437273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13716864, while the sum is 58.

The square root of 9986437273 is about 99932.1633559486. The cubic root of 9986437273 is about 2153.4602490451.

The spelling of 9986437273 in words is "nine billion, nine hundred eighty-six million, four hundred thirty-seven thousand, two hundred seventy-three".