68958383213 has 2 divisors, whose sum is σ = 68958383214. Its totient is φ = 68958383212.

The previous prime is 68958383201. The next prime is 68958383311. The reversal of 68958383213 is 31238385986.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48405720169 + 20552663044 = 220013^2 + 143362^2 .

It is a cyclic number.

It is not a de Polignac number, because 68958383213 - 2¹⁰ = 68958382189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68958343213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34479191606 + 34479191607.

It is an arithmetic number, because the mean of its divisors is an integer number (34479191607).

Almost surely, 2^68958383213 is an apocalyptic number.

It is an amenable number.

68958383213 is a deficient number, since it is larger than the sum of its proper divisors (1).

68958383213 is an equidigital number, since it uses as much as digits as its factorization.

68958383213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7464960, while the sum is 56.

The spelling of 68958383213 in words is "sixty-eight billion, nine hundred fifty-eight million, three hundred eighty-three thousand, two hundred thirteen".