68235811935 has 8 divisors (see below), whose sum is σ = 109177299120. Its totient is φ = 36392433024.

The previous prime is 68235811837. The next prime is 68235811939. The reversal of 68235811935 is 53911853286.

It is a happy number.

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

It is not a de Polignac number, because 68235811935 - 2¹⁶ = 68235746399 is a prime.

It is a super-2 number, since 2×68235811935² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68235811939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2274527050 + ... + 2274527079.

It is an arithmetic number, because the mean of its divisors is an integer number (13647162390).

Almost surely, 2^68235811935 is an apocalyptic number.

68235811935 is a deficient number, since it is larger than the sum of its proper divisors (40941487185).

68235811935 is a wasteful number, since it uses less digits than its factorization.

68235811935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4549054137.

The product of its digits is 1555200, while the sum is 51.

The spelling of 68235811935 in words is "sixty-eight billion, two hundred thirty-five million, eight hundred eleven thousand, nine hundred thirty-five".