9869669689 has 16 divisors (see below), whose sum is σ = 10915430400. Its totient is φ = 8849036560.

The previous prime is 9869669659. The next prime is 9869669707.

9869669689 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 9869669689 - 2⁹ = 9869669177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9869669659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 537864 + ... + 555910.

It is an arithmetic number, because the mean of its divisors is an integer number (682214400).

Almost surely, 2^9869669689 is an apocalyptic number.

It is an amenable number.

9869669689 is a deficient number, since it is larger than the sum of its proper divisors (1045760711).

9869669689 is a wasteful number, since it uses less digits than its factorization.

9869669689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18740.

The product of its digits is 544195584, while the sum is 76.

The square root of 9869669689 is about 99346.2112463279. The cubic root of 9869669689 is about 2145.0341269250.

The spelling of 9869669689 in words is "nine billion, eight hundred sixty-nine million, six hundred sixty-nine thousand, six hundred eighty-nine".