9656072669 has 8 divisors (see below), whose sum is σ = 10438998240. Its totient is φ = 8900618256.

The previous prime is 9656072623. The next prime is 9656072683. The reversal of 9656072669 is 9662706569.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9656072669 is a prime.

It is a super-2 number, since 2×9656072669² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9656072269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6867059 + ... + 6868464.

It is an arithmetic number, because the mean of its divisors is an integer number (1304874780).

Almost surely, 2^9656072669 is an apocalyptic number.

It is an amenable number.

9656072669 is a deficient number, since it is larger than the sum of its proper divisors (782925571).

9656072669 is a wasteful number, since it uses less digits than its factorization.

9656072669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13735579.

The product of its (nonzero) digits is 7348320, while the sum is 56.

The square root of 9656072669 is about 98265.3177321480. The cubic root of 9656072669 is about 2129.4470317672.

The spelling of 9656072669 in words is "nine billion, six hundred fifty-six million, seventy-two thousand, six hundred sixty-nine".