68308643345250 has 128 divisors (see below), whose sum is σ = 212569401268224. Its totient is φ = 14194003800000.

The previous prime is 68308643345233. The next prime is 68308643345311. The reversal of 68308643345250 is 5254334680386.

It is a happy number.

68308643345250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×68308643345250² (a number of 28 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 591359076 + ... + 591474575.

It is an arithmetic number, because the mean of its divisors is an integer number (1660698447408).

Almost surely, 2^{68308643345250} is an apocalyptic number.

68308643345250 is an abundant number, since it is smaller than the sum of its proper divisors (144260757922974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68308643345250 is a wasteful number, since it uses less digits than its factorization.

68308643345250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182833689 (or 1182833679 counting only the distinct ones).

The product of its (nonzero) digits is 49766400, while the sum is 57.

The spelling of 68308643345250 in words is "sixty-eight trillion, three hundred eight billion, six hundred forty-three million, three hundred forty-five thousand, two hundred fifty".