9665375651 has 4 divisors (see below), whose sum is σ = 9715979904. Its totient is φ = 9614771400.

The previous prime is 9665375627. The next prime is 9665375701. The reversal of 9665375651 is 1565735669.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9665375651 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9665375593 and 9665375602.

It is not an unprimeable number, because it can be changed into a prime (9665375351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25301840 + ... + 25302221.

It is an arithmetic number, because the mean of its divisors is an integer number (2428994976).

Almost surely, 2^9665375651 is an apocalyptic number.

9665375651 is a deficient number, since it is larger than the sum of its proper divisors (50604253).

9665375651 is a wasteful number, since it uses less digits than its factorization.

9665375651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50604252.

The product of its digits is 5103000, while the sum is 53.

The square root of 9665375651 is about 98312.6423762478. The cubic root of 9665375651 is about 2130.1306723304.

The spelling of 9665375651 in words is "nine billion, six hundred sixty-five million, three hundred seventy-five thousand, six hundred fifty-one".