68609775842611 has 2 divisors, whose sum is σ = 68609775842612. Its totient is φ = 68609775842610.

The previous prime is 68609775842579. The next prime is 68609775842717. The reversal of 68609775842611 is 11624857790686.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68609775842611 - 2⁵ = 68609775842579 is a prime.

It is not a weakly prime, because it can be changed into another prime (68609775842911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34304887921305 + 34304887921306.

It is an arithmetic number, because the mean of its divisors is an integer number (34304887921306).

Almost surely, 2^{68609775842611} is an apocalyptic number.

68609775842611 is a deficient number, since it is larger than the sum of its proper divisors (1).

68609775842611 is an equidigital number, since it uses as much as digits as its factorization.

68609775842611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 243855360, while the sum is 70.

The spelling of 68609775842611 in words is "sixty-eight trillion, six hundred nine billion, seven hundred seventy-five million, eight hundred forty-two thousand, six hundred eleven".