9672711659 has 4 divisors (see below), whose sum is σ = 10416766416. Its totient is φ = 8928656904.

The previous prime is 9672711611. The next prime is 9672711679. The reversal of 9672711659 is 9561172769.

9672711659 is digitally balanced in base 2, 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 an emirpimes, since its reverse is a distinct semiprime: 9561172769 = 15907 ⋅601067.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9672711659 is a prime.

It is a super-2 number, since 2×9672711659² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9672711659.

It is not an unprimeable number, because it can be changed into a prime (9672711679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372027359 + ... + 372027384.

It is an arithmetic number, because the mean of its divisors is an integer number (2604191604).

Almost surely, 2^9672711659 is an apocalyptic number.

9672711659 is a deficient number, since it is larger than the sum of its proper divisors (744054757).

9672711659 is a wasteful number, since it uses less digits than its factorization.

9672711659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744054756.

The product of its digits is 1428840, while the sum is 53.

The square root of 9672711659 is about 98349.9448855972. The cubic root of 9672711659 is about 2130.6694582105.

The spelling of 9672711659 in words is "nine billion, six hundred seventy-two million, seven hundred eleven thousand, six hundred fifty-nine".