9896680681 has 4 divisors (see below), whose sum is σ = 10021955200. Its totient is φ = 9771406164.

The previous prime is 9896680669. The next prime is 9896680771. The reversal of 9896680681 is 1860866989.

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 9896680681 - 2¹¹ = 9896678633 is a prime.

It is a super-2 number, since 2×9896680681² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9896680601) 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, 62637141 + ... + 62637298.

It is an arithmetic number, because the mean of its divisors is an integer number (2505488800).

Almost surely, 2^9896680681 is an apocalyptic number.

It is an amenable number.

9896680681 is a deficient number, since it is larger than the sum of its proper divisors (125274519).

9896680681 is a wasteful number, since it uses less digits than its factorization.

9896680681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125274518.

The product of its (nonzero) digits is 8957952, while the sum is 61.

The square root of 9896680681 is about 99482.0621066934. The cubic root of 9896680681 is about 2146.9891644638.

The spelling of 9896680681 in words is "nine billion, eight hundred ninety-six million, six hundred eighty thousand, six hundred eighty-one".