68103789078499 has 2 divisors, whose sum is σ = 68103789078500. Its totient is φ = 68103789078498.

The previous prime is 68103789078467. The next prime is 68103789078539. The reversal of 68103789078499 is 99487098730186.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68103789078499 - 2⁵ = 68103789078467 is a prime.

It is not a weakly prime, because it can be changed into another prime (68103789073499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34051894539249 + 34051894539250.

It is an arithmetic number, because the mean of its divisors is an integer number (34051894539250).

Almost surely, 2^{68103789078499} is an apocalyptic number.

68103789078499 is a deficient number, since it is larger than the sum of its proper divisors (1).

68103789078499 is an equidigital number, since it uses as much as digits as its factorization.

68103789078499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1316818944, while the sum is 79.

The spelling of 68103789078499 in words is "sixty-eight trillion, one hundred three billion, seven hundred eighty-nine million, seventy-eight thousand, four hundred ninety-nine".