68333651413 has 2 divisors, whose sum is σ = 68333651414. Its totient is φ = 68333651412.

The previous prime is 68333651339. The next prime is 68333651443. The reversal of 68333651413 is 31415633386.

68333651413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34268673924 + 34064977489 = 185118^2 + 184567^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68333651413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68333651413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68333651443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34166825706 + 34166825707.

It is an arithmetic number, because the mean of its divisors is an integer number (34166825707).

Almost surely, 2^68333651413 is an apocalyptic number.

It is an amenable number.

68333651413 is a deficient number, since it is larger than the sum of its proper divisors (1).

68333651413 is an equidigital number, since it uses as much as digits as its factorization.

68333651413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 43.

The spelling of 68333651413 in words is "sixty-eight billion, three hundred thirty-three million, six hundred fifty-one thousand, four hundred thirteen".