68658285673 has 2 divisors, whose sum is σ = 68658285674. Its totient is φ = 68658285672.

The previous prime is 68658285667. The next prime is 68658285727. The reversal of 68658285673 is 37658285686.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68417818624 + 240467049 = 261568^2 + 15507^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68658285673 is a prime.

It is not a weakly prime, because it can be changed into another prime (68658285613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34329142836 + 34329142837.

It is an arithmetic number, because the mean of its divisors is an integer number (34329142837).

Almost surely, 2^68658285673 is an apocalyptic number.

It is an amenable number.

68658285673 is a deficient number, since it is larger than the sum of its proper divisors (1).

68658285673 is an equidigital number, since it uses as much as digits as its factorization.

68658285673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116121600, while the sum is 64.

The spelling of 68658285673 in words is "sixty-eight billion, six hundred fifty-eight million, two hundred eighty-five thousand, six hundred seventy-three".