68003189 has 2 divisors, whose sum is σ = 68003190. Its totient is φ = 68003188.

The previous prime is 68003171. The next prime is 68003207. The reversal of 68003189 is 98130086.

It is a balanced prime because it is at equal distance from previous prime (68003171) and next prime (68003207).

It can be written as a sum of positive squares in only one way, i.e., 67782289 + 220900 = 8233^2 + 470^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68003189 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68003149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34001594 + 34001595.

It is an arithmetic number, because the mean of its divisors is an integer number (34001595).

Almost surely, 2^68003189 is an apocalyptic number.

It is an amenable number.

68003189 is a deficient number, since it is larger than the sum of its proper divisors (1).

68003189 is an equidigital number, since it uses as much as digits as its factorization.

68003189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 68003189 is about 8246.4046104954. The cubic root of 68003189 is about 408.1718906793.

The spelling of 68003189 in words is "sixty-eight million, three thousand, one hundred eighty-nine".