68750032813 has 8 divisors (see below), whose sum is σ = 85714326720. Its totient is φ = 53571454080.

The previous prime is 68750032751. The next prime is 68750032817. The reversal of 68750032813 is 31823005786.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68750032813 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68750032813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68750032817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 446428708 + ... + 446428861.

It is an arithmetic number, because the mean of its divisors is an integer number (10714290840).

Almost surely, 2^68750032813 is an apocalyptic number.

It is an amenable number.

68750032813 is a deficient number, since it is larger than the sum of its proper divisors (16964293907).

68750032813 is a wasteful number, since it uses less digits than its factorization.

68750032813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892857587.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 68750032813 in words is "sixty-eight billion, seven hundred fifty million, thirty-two thousand, eight hundred thirteen".