9889862113 has 2 divisors, whose sum is σ = 9889862114. Its totient is φ = 9889862112.

The previous prime is 9889862089. The next prime is 9889862123. The reversal of 9889862113 is 3112689889.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8048422369 + 1841439744 = 89713^2 + 42912^2 .

It is a cyclic number.

It is not a de Polignac number, because 9889862113 - 2¹⁷ = 9889731041 is a prime.

It is a super-2 number, since 2×9889862113² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9889862123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4944931056 + 4944931057.

It is an arithmetic number, because the mean of its divisors is an integer number (4944931057).

Almost surely, 2^9889862113 is an apocalyptic number.

It is an amenable number.

9889862113 is a deficient number, since it is larger than the sum of its proper divisors (1).

9889862113 is an equidigital number, since it uses as much as digits as its factorization.

9889862113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1492992, while the sum is 55.

The square root of 9889862113 is about 99447.7858627330. The cubic root of 9889862113 is about 2146.4959770530.

The spelling of 9889862113 in words is "nine billion, eight hundred eighty-nine million, eight hundred sixty-two thousand, one hundred thirteen".