9849688687 has 4 divisors (see below), whose sum is σ = 9849986176. Its totient is φ = 9849391200.

The previous prime is 9849688627. The next prime is 9849688691. The reversal of 9849688687 is 7868869489.

9849688687 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: 7868869489 = 13 ⋅605297653.

It is a cyclic number.

It is not a de Polignac number, because 9849688687 - 2¹⁵ = 9849655919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9849688627) 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, 91818 + ... + 167719.

It is an arithmetic number, because the mean of its divisors is an integer number (2462496544).

Almost surely, 2^9849688687 is an apocalyptic number.

9849688687 is a deficient number, since it is larger than the sum of its proper divisors (297489).

9849688687 is a wasteful number, since it uses less digits than its factorization.

9849688687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297488.

The product of its digits is 334430208, while the sum is 73.

The square root of 9849688687 is about 99245.5978217674. The cubic root of 9849688687 is about 2143.5856189132.

The spelling of 9849688687 in words is "nine billion, eight hundred forty-nine million, six hundred eighty-eight thousand, six hundred eighty-seven".