9686989133 has 2 divisors, whose sum is σ = 9686989134. Its totient is φ = 9686989132.

The previous prime is 9686989121. The next prime is 9686989153. The reversal of 9686989133 is 3319896869.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5244366724 + 4442622409 = 72418^2 + 66653^2 .

It is a cyclic number.

It is not a de Polignac number, because 9686989133 - 2⁶ = 9686989069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9686989153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4843494566 + 4843494567.

It is an arithmetic number, because the mean of its divisors is an integer number (4843494567).

Almost surely, 2^9686989133 is an apocalyptic number.

It is an amenable number.

9686989133 is a deficient number, since it is larger than the sum of its proper divisors (1).

9686989133 is an equidigital number, since it uses as much as digits as its factorization.

9686989133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15116544, while the sum is 62.

The square root of 9686989133 is about 98422.5031839772. The cubic root of 9686989133 is about 2131.7172727091.

The spelling of 9686989133 in words is "nine billion, six hundred eighty-six million, nine hundred eighty-nine thousand, one hundred thirty-three".