67968059641 has 2 divisors, whose sum is σ = 67968059642. Its totient is φ = 67968059640.

The previous prime is 67968059611. The next prime is 67968059651. The reversal of 67968059641 is 14695086976.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67555807225 + 412252416 = 259915^2 + 20304^2 .

It is a cyclic number.

It is not a de Polignac number, because 67968059641 - 2⁵ = 67968059609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67968059641.

It is not a weakly prime, because it can be changed into another prime (67968059611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33984029820 + 33984029821.

It is an arithmetic number, because the mean of its divisors is an integer number (33984029821).

Almost surely, 2^67968059641 is an apocalyptic number.

It is an amenable number.

67968059641 is a deficient number, since it is larger than the sum of its proper divisors (1).

67968059641 is an equidigital number, since it uses as much as digits as its factorization.

67968059641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19595520, while the sum is 61.

The spelling of 67968059641 in words is "sixty-seven billion, nine hundred sixty-eight million, fifty-nine thousand, six hundred forty-one".