68682818338 has 8 divisors (see below), whose sum is σ = 103030012332. Its totient is φ = 34339480896.

The previous prime is 68682818333. The next prime is 68682818353. The reversal of 68682818338 is 83381828686.

It can be written as a sum of positive squares in 2 ways, for example, as 60399452169 + 8283366169 = 245763^2 + 91013^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (68682818333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 919195 + ... + 991102.

Almost surely, 2^68682818338 is an apocalyptic number.

68682818338 is a deficient number, since it is larger than the sum of its proper divisors (34347193994).

68682818338 is a wasteful number, since it uses less digits than its factorization.

68682818338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1928276.

The product of its digits is 21233664, while the sum is 61.

The spelling of 68682818338 in words is "sixty-eight billion, six hundred eighty-two million, eight hundred eighteen thousand, three hundred thirty-eight".