68648084719 has 2 divisors, whose sum is σ = 68648084720. Its totient is φ = 68648084718.

The previous prime is 68648084639. The next prime is 68648084723. The reversal of 68648084719 is 91748084686.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68648084719 - 2⁹ = 68648084207 is a prime.

It is a super-2 number, since 2×68648084719² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68648085719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34324042359 + 34324042360.

It is an arithmetic number, because the mean of its divisors is an integer number (34324042360).

Almost surely, 2^68648084719 is an apocalyptic number.

68648084719 is a deficient number, since it is larger than the sum of its proper divisors (1).

68648084719 is an equidigital number, since it uses as much as digits as its factorization.

68648084719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18579456, while the sum is 61.

The spelling of 68648084719 in words is "sixty-eight billion, six hundred forty-eight million, eighty-four thousand, seven hundred nineteen".