9665230073 has 2 divisors, whose sum is σ = 9665230074. Its totient is φ = 9665230072.

The previous prime is 9665230067. The next prime is 9665230111. The reversal of 9665230073 is 3700325669.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8458848784 + 1206381289 = 91972^2 + 34733^2 .

It is an emirp because it is prime and its reverse (3700325669) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9665230073 - 2⁶ = 9665230009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9665230073.

It is not a weakly prime, because it can be changed into another prime (9665230033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4832615036 + 4832615037.

It is an arithmetic number, because the mean of its divisors is an integer number (4832615037).

Almost surely, 2^9665230073 is an apocalyptic number.

It is an amenable number.

9665230073 is a deficient number, since it is larger than the sum of its proper divisors (1).

9665230073 is an equidigital number, since it uses as much as digits as its factorization.

9665230073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 204120, while the sum is 41.

The square root of 9665230073 is about 98311.9019905525. The cubic root of 9665230073 is about 2130.1199777393.

The spelling of 9665230073 in words is "nine billion, six hundred sixty-five million, two hundred thirty thousand, seventy-three".