9156680689 has 4 divisors (see below), whose sum is σ = 9861040756. Its totient is φ = 8452320624.

The previous prime is 9156680683. The next prime is 9156680737. The reversal of 9156680689 is 9860866519.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1182190689 + 7974490000 = 34383^2 + 89300^2 .

It is a cyclic number.

It is not a de Polignac number, because 9156680689 - 2⁵ = 9156680657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9156680683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352180014 + ... + 352180039.

It is an arithmetic number, because the mean of its divisors is an integer number (2465260189).

Almost surely, 2^9156680689 is an apocalyptic number.

It is an amenable number.

9156680689 is a deficient number, since it is larger than the sum of its proper divisors (704360067).

9156680689 is a wasteful number, since it uses less digits than its factorization.

9156680689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704360066.

The product of its (nonzero) digits is 5598720, while the sum is 58.

The square root of 9156680689 is about 95690.5464975512. The cubic root of 9156680689 is about 2092.0851490683.

The spelling of 9156680689 in words is "nine billion, one hundred fifty-six million, six hundred eighty thousand, six hundred eighty-nine".