68445628703 has 2 divisors, whose sum is σ = 68445628704. Its totient is φ = 68445628702.

The previous prime is 68445628651. The next prime is 68445628729. The reversal of 68445628703 is 30782654486.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68445628703 - 2¹⁸ = 68445366559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68445628753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34222814351 + 34222814352.

It is an arithmetic number, because the mean of its divisors is an integer number (34222814352).

Almost surely, 2^68445628703 is an apocalyptic number.

68445628703 is a deficient number, since it is larger than the sum of its proper divisors (1).

68445628703 is an equidigital number, since it uses as much as digits as its factorization.

68445628703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7741440, while the sum is 53.

The spelling of 68445628703 in words is "sixty-eight billion, four hundred forty-five million, six hundred twenty-eight thousand, seven hundred three".