68098133 has 2 divisors, whose sum is σ = 68098134. Its totient is φ = 68098132.

The previous prime is 68098127. The next prime is 68098153. The reversal of 68098133 is 33189086.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67782289 + 315844 = 8233^2 + 562^2 .

It is a cyclic number.

It is not a de Polignac number, because 68098133 - 2¹⁰ = 68097109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68098153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34049066 + 34049067.

It is an arithmetic number, because the mean of its divisors is an integer number (34049067).

Almost surely, 2^68098133 is an apocalyptic number.

It is an amenable number.

68098133 is a deficient number, since it is larger than the sum of its proper divisors (1).

68098133 is an equidigital number, since it uses as much as digits as its factorization.

68098133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 68098133 is about 8252.1592931790. The cubic root of 68098133 is about 408.3617614342.

The spelling of 68098133 in words is "sixty-eight million, ninety-eight thousand, one hundred thirty-three".