68946864986 has 16 divisors (see below), whose sum is σ = 108513070848. Its totient is φ = 32792403600.

The previous prime is 68946864983. The next prime is 68946864991.

68946864986 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (68946864983) 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, 4132130 + ... + 4148781.

It is an arithmetic number, because the mean of its divisors is an integer number (6782066928).

Almost surely, 2^68946864986 is an apocalyptic number.

68946864986 is a deficient number, since it is larger than the sum of its proper divisors (39566205862).

68946864986 is a wasteful number, since it uses less digits than its factorization.

68946864986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8281117.

The product of its digits is 859963392, while the sum is 74.

The spelling of 68946864986 in words is "sixty-eight billion, nine hundred forty-six million, eight hundred sixty-four thousand, nine hundred eighty-six".