68688804219 has 12 divisors (see below), whose sum is σ = 106537737384. Its totient is φ = 39250745184.

The previous prime is 68688804157. The next prime is 68688804251. The reversal of 68688804219 is 91240888686.

It is not a de Polignac number, because 68688804219 - 2¹⁹ = 68688279931 is a prime.

It is a super-2 number, since 2×68688804219² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68688804299) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 233635242 + ... + 233635535.

It is an arithmetic number, because the mean of its divisors is an integer number (8878144782).

Almost surely, 2^68688804219 is an apocalyptic number.

68688804219 is a deficient number, since it is larger than the sum of its proper divisors (37848933165).

68688804219 is a wasteful number, since it uses less digits than its factorization.

68688804219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467270794 (or 467270787 counting only the distinct ones).

The product of its (nonzero) digits is 10616832, while the sum is 60.

The spelling of 68688804219 in words is "sixty-eight billion, six hundred eighty-eight million, eight hundred four thousand, two hundred nineteen".