68519913132812 has 6 divisors (see below), whose sum is σ = 119909847982428. Its totient is φ = 34259956566404.

The previous prime is 68519913132809. The next prime is 68519913132829. The reversal of 68519913132812 is 21823131991586.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8564989141598 + ... + 8564989141605.

It is an arithmetic number, because the mean of its divisors is an integer number (19984974663738).

Almost surely, 2^{68519913132812} is an apocalyptic number.

It is an amenable number.

68519913132812 is a deficient number, since it is larger than the sum of its proper divisors (51389934849616).

68519913132812 is a wasteful number, since it uses less digits than its factorization.

68519913132812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17129978283207 (or 17129978283205 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 59.

The spelling of 68519913132812 in words is "sixty-eight trillion, five hundred nineteen billion, nine hundred thirteen million, one hundred thirty-two thousand, eight hundred twelve".