68811413239 has 2 divisors, whose sum is σ = 68811413240. Its totient is φ = 68811413238.

The previous prime is 68811413161. The next prime is 68811413243. The reversal of 68811413239 is 93231411886.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68811413239 - 2¹⁷ = 68811282167 is a prime.

It is a super-2 number, since 2×68811413239² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68811713239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34405706619 + 34405706620.

It is an arithmetic number, because the mean of its divisors is an integer number (34405706620).

Almost surely, 2^68811413239 is an apocalyptic number.

68811413239 is a deficient number, since it is larger than the sum of its proper divisors (1).

68811413239 is an equidigital number, since it uses as much as digits as its factorization.

68811413239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 46.

The spelling of 68811413239 in words is "sixty-eight billion, eight hundred eleven million, four hundred thirteen thousand, two hundred thirty-nine".