9868634281 has 15 divisors (see below), whose sum is σ = 10868668615. Its totient is φ = 8960558200.

The previous prime is 9868634267. The next prime is 9868634297. The reversal of 9868634281 is 1824368689.

The square root of 9868634281 is 99341.

It is a perfect power (a square), and thus also a powerful number.

9868634281 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2694544281 + 7174090000 = 51909^2 + 84700^2 .

It is not a de Polignac number, because 9868634281 - 2¹⁷ = 9868503209 is a prime.

It is a super-2 number, since 2×9868634281² (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 (9868634201) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 12019851 + ... + 12020671.

Almost surely, 2^9868634281 is an apocalyptic number.

9868634281 is the 99341-st square number.

9868634281 is the 49671-st centered octagonal number.

It is an amenable number.

9868634281 is a deficient number, since it is larger than the sum of its proper divisors (1000034334).

9868634281 is an frugal number, since it uses more digits than its factorization.

9868634281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686 (or 832 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 55.

The cubic root of 9868634281 is about 2144.9591138382.

The spelling of 9868634281 in words is "nine billion, eight hundred sixty-eight million, six hundred thirty-four thousand, two hundred eighty-one".