68741919986 has 32 divisors (see below), whose sum is σ = 109417651200. Its totient is φ = 32334261120.

The previous prime is 68741919979. The next prime is 68741920003. The reversal of 68741919986 is 68991914786.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 986351 + ... + 1053741.

It is an arithmetic number, because the mean of its divisors is an integer number (3419301600).

Almost surely, 2^68741919986 is an apocalyptic number.

68741919986 is a deficient number, since it is larger than the sum of its proper divisors (40675731214).

68741919986 is a wasteful number, since it uses less digits than its factorization.

68741919986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67874.

The product of its digits is 47029248, while the sum is 68.

The spelling of 68741919986 in words is "sixty-eight billion, seven hundred forty-one million, nine hundred nineteen thousand, nine hundred eighty-six".