9659164469 has 4 divisors (see below), whose sum is σ = 9680968896. Its totient is φ = 9637360044.

The previous prime is 9659164453. The next prime is 9659164483. The reversal of 9659164469 is 9644619569.

It is a happy number.

9659164469 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 9659164469 - 2⁴ = 9659164453 is a prime.

It is a super-2 number, since 2×9659164469² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9659164429) 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, 10901549 + ... + 10902434.

It is an arithmetic number, because the mean of its divisors is an integer number (2420242224).

Almost surely, 2^9659164469 is an apocalyptic number.

It is an amenable number.

9659164469 is a deficient number, since it is larger than the sum of its proper divisors (21804427).

9659164469 is a wasteful number, since it uses less digits than its factorization.

9659164469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21804426.

The product of its digits is 12597120, while the sum is 59.

The square root of 9659164469 is about 98281.0483714943. The cubic root of 9659164469 is about 2129.6742850197.

The spelling of 9659164469 in words is "nine billion, six hundred fifty-nine million, one hundred sixty-four thousand, four hundred sixty-nine".