68011283647 has 2 divisors, whose sum is σ = 68011283648. Its totient is φ = 68011283646.

The previous prime is 68011283623. The next prime is 68011283653. The reversal of 68011283647 is 74638211086.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68011283647 - 2³¹ = 65863799999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68011283597 and 68011283606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68011284647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34005641823 + 34005641824.

It is an arithmetic number, because the mean of its divisors is an integer number (34005641824).

Almost surely, 2^68011283647 is an apocalyptic number.

68011283647 is a deficient number, since it is larger than the sum of its proper divisors (1).

68011283647 is an equidigital number, since it uses as much as digits as its factorization.

68011283647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 68011283647 in words is "sixty-eight billion, eleven million, two hundred eighty-three thousand, six hundred forty-seven".