68361788716399 has 2 divisors, whose sum is σ = 68361788716400. Its totient is φ = 68361788716398.

The previous prime is 68361788716379. The next prime is 68361788716421. The reversal of 68361788716399 is 99361788716386.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68361788716399 - 2⁵ = 68361788716367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68361788716379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34180894358199 + 34180894358200.

It is an arithmetic number, because the mean of its divisors is an integer number (34180894358200).

Almost surely, 2^{68361788716399} is an apocalyptic number.

68361788716399 is a deficient number, since it is larger than the sum of its proper divisors (1).

68361788716399 is an equidigital number, since it uses as much as digits as its factorization.

68361788716399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3950456832, while the sum is 82.

The spelling of 68361788716399 in words is "sixty-eight trillion, three hundred sixty-one billion, seven hundred eighty-eight million, seven hundred sixteen thousand, three hundred ninety-nine".