68331821283 has 24 divisors (see below), whose sum is σ = 114008175216. Its totient is φ = 38977152000.

The previous prime is 68331821263. The next prime is 68331821309. The reversal of 68331821283 is 38212813386.

It is not a de Polignac number, because 68331821283 - 2¹⁰ = 68331820259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68331821263) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20298918 + ... + 20302283.

It is an arithmetic number, because the mean of its divisors is an integer number (4750340634).

Almost surely, 2^68331821283 is an apocalyptic number.

68331821283 is a deficient number, since it is larger than the sum of its proper divisors (45676353933).

68331821283 is a wasteful number, since it uses less digits than its factorization.

68331821283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40601235 (or 40601232 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The spelling of 68331821283 in words is "sixty-eight billion, three hundred thirty-one million, eight hundred twenty-one thousand, two hundred eighty-three".