969689665 has 24 divisors (see below), whose sum is σ = 1382424192. Its totient is φ = 650774880.

The previous prime is 969689663. The next prime is 969689701. The reversal of 969689665 is 566986969.

It is not a de Polignac number, because 969689665 - 2¹ = 969689663 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 969689597 and 969689606.

It is not an unprimeable number, because it can be changed into a prime (969689663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30591 + ... + 53620.

It is an arithmetic number, because the mean of its divisors is an integer number (57601008).

Almost surely, 2^969689665 is an apocalyptic number.

It is an amenable number.

969689665 is a deficient number, since it is larger than the sum of its proper divisors (412734527).

969689665 is a wasteful number, since it uses less digits than its factorization.

969689665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84277 (or 84270 counting only the distinct ones).

The product of its digits is 37791360, while the sum is 64.

The square root of 969689665 is about 31139.8404780757. The cubic root of 969689665 is about 989.7927209482.

The spelling of 969689665 in words is "nine hundred sixty-nine million, six hundred eighty-nine thousand, six hundred sixty-five".