68068836293 has 2 divisors, whose sum is σ = 68068836294. Its totient is φ = 68068836292.

The previous prime is 68068836287. The next prime is 68068836307. The reversal of 68068836293 is 39263886086.

68068836293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56435703844 + 11633132449 = 237562^2 + 107857^2 .

It is a cyclic number.

It is not a de Polignac number, because 68068836293 - 2⁸ = 68068836037 is a prime.

It is a super-3 number, since 3×68068836293³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68068836793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34034418146 + 34034418147.

It is an arithmetic number, because the mean of its divisors is an integer number (34034418147).

Almost surely, 2^68068836293 is an apocalyptic number.

It is an amenable number.

68068836293 is a deficient number, since it is larger than the sum of its proper divisors (1).

68068836293 is an equidigital number, since it uses as much as digits as its factorization.

68068836293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17915904, while the sum is 59.

The spelling of 68068836293 in words is "sixty-eight billion, sixty-eight million, eight hundred thirty-six thousand, two hundred ninety-three".