68930353 has 2 divisors, whose sum is σ = 68930354. Its totient is φ = 68930352.

The previous prime is 68930311. The next prime is 68930383. The reversal of 68930353 is 35303986.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61575409 + 7354944 = 7847^2 + 2712^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68930353 is a prime.

It is not a weakly prime, because it can be changed into another prime (68930383) 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, 34465176 + 34465177.

It is an arithmetic number, because the mean of its divisors is an integer number (34465177).

Almost surely, 2^68930353 is an apocalyptic number.

It is an amenable number.

68930353 is a deficient number, since it is larger than the sum of its proper divisors (1).

68930353 is an equidigital number, since it uses as much as digits as its factorization.

68930353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 68930353 is about 8302.4305477372. The cubic root of 68930353 is about 410.0185456612.

The spelling of 68930353 in words is "sixty-eight million, nine hundred thirty thousand, three hundred fifty-three".