9738646273 has 2 divisors, whose sum is σ = 9738646274. Its totient is φ = 9738646272.

The previous prime is 9738646271. The next prime is 9738646331. The reversal of 9738646273 is 3726468379.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6939389809 + 2799256464 = 83303^2 + 52908^2 .

It is a cyclic number.

It is not a de Polignac number, because 9738646273 - 2¹ = 9738646271 is a prime.

Together with 9738646271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (9738646271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4869323136 + 4869323137.

It is an arithmetic number, because the mean of its divisors is an integer number (4869323137).

Almost surely, 2^9738646273 is an apocalyptic number.

It is an amenable number.

9738646273 is a deficient number, since it is larger than the sum of its proper divisors (1).

9738646273 is an equidigital number, since it uses as much as digits as its factorization.

9738646273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9144576, while the sum is 55.

The square root of 9738646273 is about 98684.5797123340. The cubic root of 9738646273 is about 2135.4997777314.

The spelling of 9738646273 in words is "nine billion, seven hundred thirty-eight million, six hundred forty-six thousand, two hundred seventy-three".