68041280209 has 16 divisors (see below), whose sum is σ = 82698044800. Its totient is φ = 54681951744.

The previous prime is 68041280143. The next prime is 68041280239. The reversal of 68041280209 is 90208214086.

It is not a de Polignac number, because 68041280209 - 2⁹ = 68041279697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68041280239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2624154 + ... + 2649955.

It is an arithmetic number, because the mean of its divisors is an integer number (5168627800).

Almost surely, 2^68041280209 is an apocalyptic number.

It is an amenable number.

68041280209 is a deficient number, since it is larger than the sum of its proper divisors (14656764591).

68041280209 is a wasteful number, since it uses less digits than its factorization.

68041280209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5274232.

The product of its (nonzero) digits is 55296, while the sum is 40.

The spelling of 68041280209 in words is "sixty-eight billion, forty-one million, two hundred eighty thousand, two hundred nine".