68569254185 has 32 divisors (see below), whose sum is σ = 87482505600. Its totient is φ = 51449126400.

The previous prime is 68569254139. The next prime is 68569254199. The reversal of 68569254185 is 58145296586.

It is a de Polignac number, because none of the positive numbers 2^k-68569254185 is a prime.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4925735 + ... + 4939635.

It is an arithmetic number, because the mean of its divisors is an integer number (2733828300).

Almost surely, 2^68569254185 is an apocalyptic number.

It is an amenable number.

68569254185 is a deficient number, since it is larger than the sum of its proper divisors (18913251415).

68569254185 is a wasteful number, since it uses less digits than its factorization.

68569254185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14441.

The product of its digits is 20736000, while the sum is 59.

The spelling of 68569254185 in words is "sixty-eight billion, five hundred sixty-nine million, two hundred fifty-four thousand, one hundred eighty-five".