68383291 has 2 divisors, whose sum is σ = 68383292. Its totient is φ = 68383290.

The previous prime is 68383279. The next prime is 68383307. The reversal of 68383291 is 19238386.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68383291 is a prime.

It is a super-3 number, since 3×68383291³ (a number of 24 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (68383591) 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, 34191645 + 34191646.

It is an arithmetic number, because the mean of its divisors is an integer number (34191646).

Almost surely, 2^68383291 is an apocalyptic number.

68383291 is a deficient number, since it is larger than the sum of its proper divisors (1).

68383291 is an equidigital number, since it uses as much as digits as its factorization.

68383291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 40.

The square root of 68383291 is about 8269.4190243330. The cubic root of 68383291 is about 408.9309667624.

The spelling of 68383291 in words is "sixty-eight million, three hundred eighty-three thousand, two hundred ninety-one".