68068836299 has 4 divisors (see below), whose sum is σ = 69651832536. Its totient is φ = 66485840064.

The previous prime is 68068836293. The next prime is 68068836307. The reversal of 68068836299 is 99263886086.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68068836299 - 2¹² = 68068832203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68068836293) 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 in 3 ways as a sum of consecutive naturals, for example, 791498054 + ... + 791498139.

It is an arithmetic number, because the mean of its divisors is an integer number (17412958134).

Almost surely, 2^68068836299 is an apocalyptic number.

68068836299 is a deficient number, since it is larger than the sum of its proper divisors (1582996237).

68068836299 is a wasteful number, since it uses less digits than its factorization.

68068836299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1582996236.

The product of its (nonzero) digits is 53747712, while the sum is 65.

The spelling of 68068836299 in words is "sixty-eight billion, sixty-eight million, eight hundred thirty-six thousand, two hundred ninety-nine".