68275165243 has 2 divisors, whose sum is σ = 68275165244. Its totient is φ = 68275165242.

The previous prime is 68275165241. The next prime is 68275165261. The reversal of 68275165243 is 34256157286.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68275165243 - 2¹ = 68275165241 is a prime.

It is a super-2 number, since 2×68275165243² (a number of 22 digits) contains 22 as substring.

Together with 68275165241, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (68275165241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34137582621 + 34137582622.

It is an arithmetic number, because the mean of its divisors is an integer number (34137582622).

Almost surely, 2^68275165243 is an apocalyptic number.

68275165243 is a deficient number, since it is larger than the sum of its proper divisors (1).

68275165243 is an equidigital number, since it uses as much as digits as its factorization.

68275165243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2419200, while the sum is 49.

The spelling of 68275165243 in words is "sixty-eight billion, two hundred seventy-five million, one hundred sixty-five thousand, two hundred forty-three".