9665145029 has 2 divisors, whose sum is σ = 9665145030. Its totient is φ = 9665145028.

The previous prime is 9665144989. The next prime is 9665145053. The reversal of 9665145029 is 9205415669.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9657582529 + 7562500 = 98273^2 + 2750^2 .

It is an emirp because it is prime and its reverse (9205415669) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9665145029 - 2²⁸ = 9396709573 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9665145089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4832572514 + 4832572515.

It is an arithmetic number, because the mean of its divisors is an integer number (4832572515).

Almost surely, 2^9665145029 is an apocalyptic number.

It is an amenable number.

9665145029 is a deficient number, since it is larger than the sum of its proper divisors (1).

9665145029 is an equidigital number, since it uses as much as digits as its factorization.

9665145029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 583200, while the sum is 47.

The square root of 9665145029 is about 98311.4694682162. The cubic root of 9665145029 is about 2130.1137301055.

The spelling of 9665145029 in words is "nine billion, six hundred sixty-five million, one hundred forty-five thousand, twenty-nine".