9689669869 has 8 divisors (see below), whose sum is σ = 10581314112. Its totient is φ = 8799819840.

The previous prime is 9689669797. The next prime is 9689669879.

9689669869 is nontrivially palindromic in base 10.

9689669869 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9689669869 - 2⁹ = 9689669357 is a prime.

It is a super-2 number, since 2×9689669869² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9689669795 and 9689669804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9689669879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437244 + ... + 458869.

It is an arithmetic number, because the mean of its divisors is an integer number (1322664264).

Almost surely, 2^9689669869 is an apocalyptic number.

It is an amenable number.

9689669869 is a deficient number, since it is larger than the sum of its proper divisors (891644243).

9689669869 is a wasteful number, since it uses less digits than its factorization.

9689669869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897107.

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

The square root of 9689669869 is about 98436.1207535120. The cubic root of 9689669869 is about 2131.9138953506.

The spelling of 9689669869 in words is "nine billion, six hundred eighty-nine million, six hundred sixty-nine thousand, eight hundred sixty-nine".