68965806379 has 2 divisors, whose sum is σ = 68965806380. Its totient is φ = 68965806378.

The previous prime is 68965806353. The next prime is 68965806457. The reversal of 68965806379 is 97360856986.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68965806379 - 2²⁹ = 68428935467 is a prime.

It is not a weakly prime, because it can be changed into another prime (68965806179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34482903189 + 34482903190.

It is an arithmetic number, because the mean of its divisors is an integer number (34482903190).

Almost surely, 2^68965806379 is an apocalyptic number.

68965806379 is a deficient number, since it is larger than the sum of its proper divisors (1).

68965806379 is an equidigital number, since it uses as much as digits as its factorization.

68965806379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 117573120, while the sum is 67.

The spelling of 68965806379 in words is "sixty-eight billion, nine hundred sixty-five million, eight hundred six thousand, three hundred seventy-nine".