9669163817 has 4 divisors (see below), whose sum is σ = 9712523520. Its totient is φ = 9625804116.

The previous prime is 9669163811. The next prime is 9669163871. The reversal of 9669163817 is 7183619669.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7183619669 = 2731 ⋅2630399.

It is a cyclic number.

It is not a de Polignac number, because 9669163817 - 2⁶ = 9669163753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9669163811) 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, 21679517 + ... + 21679962.

It is an arithmetic number, because the mean of its divisors is an integer number (2428130880).

Almost surely, 2^9669163817 is an apocalyptic number.

It is an amenable number.

9669163817 is a deficient number, since it is larger than the sum of its proper divisors (43359703).

9669163817 is a wasteful number, since it uses less digits than its factorization.

9669163817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43359702.

The product of its digits is 2939328, while the sum is 56.

The square root of 9669163817 is about 98331.9064037711. The cubic root of 9669163817 is about 2130.4089244786.

The spelling of 9669163817 in words is "nine billion, six hundred sixty-nine million, one hundred sixty-three thousand, eight hundred seventeen".