9868649896 has 16 divisors (see below), whose sum is σ = 21147107040. Its totient is φ = 4229421360.

The previous prime is 9868649891. The next prime is 9868649971. The reversal of 9868649896 is 6989468689.

It is a super-3 number, since 3×9868649896³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (9868649891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88112890 + ... + 88113001.

It is an arithmetic number, because the mean of its divisors is an integer number (1321694190).

Almost surely, 2^9868649896 is an apocalyptic number.

It is an amenable number.

9868649896 is an abundant number, since it is smaller than the sum of its proper divisors (11278457144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9868649896 is a wasteful number, since it uses less digits than its factorization.

9868649896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176225904 (or 176225900 counting only the distinct ones).

The product of its digits is 322486272, while the sum is 73.

The square root of 9868649896 is about 99341.0785928963. The cubic root of 9868649896 is about 2144.9602451504.

The spelling of 9868649896 in words is "nine billion, eight hundred sixty-eight million, six hundred forty-nine thousand, eight hundred ninety-six".