98689133 has 2 divisors, whose sum is σ = 98689134. Its totient is φ = 98689132.

The previous prime is 98689121. The next prime is 98689169. The reversal of 98689133 is 33198689.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98446084 + 243049 = 9922^2 + 493^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98689133 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98689433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49344566 + 49344567.

It is an arithmetic number, because the mean of its divisors is an integer number (49344567).

Almost surely, 2^98689133 is an apocalyptic number.

It is an amenable number.

98689133 is a deficient number, since it is larger than the sum of its proper divisors (1).

98689133 is an equidigital number, since it uses as much as digits as its factorization.

98689133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 47.

The square root of 98689133 is about 9934.2404339738. The cubic root of 98689133 is about 462.1217875114.

The spelling of 98689133 in words is "ninety-eight million, six hundred eighty-nine thousand, one hundred thirty-three".