68820303373 has 2 divisors, whose sum is σ = 68820303374. Its totient is φ = 68820303372.

The previous prime is 68820303319. The next prime is 68820303379. The reversal of 68820303373 is 37330302886.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35200513924 + 33619789449 = 187618^2 + 183357^2 .

It is a cyclic number.

It is not a de Polignac number, because 68820303373 - 2²¹ = 68818206221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68820303379) 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, 34410151686 + 34410151687.

It is an arithmetic number, because the mean of its divisors is an integer number (34410151687).

Almost surely, 2^68820303373 is an apocalyptic number.

It is an amenable number.

68820303373 is a deficient number, since it is larger than the sum of its proper divisors (1).

68820303373 is an equidigital number, since it uses as much as digits as its factorization.

68820303373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 43.

The spelling of 68820303373 in words is "sixty-eight billion, eight hundred twenty million, three hundred three thousand, three hundred seventy-three".