68381704446844 has 6 divisors (see below), whose sum is σ = 119667982781984. Its totient is φ = 34190852223420.

The previous prime is 68381704446823. The next prime is 68381704446851. The reversal of 68381704446844 is 44864440718386.

It is a self number, because there is not a number n which added to its sum of digits gives 68381704446844.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8547713055852 + ... + 8547713055859.

Almost surely, 2^{68381704446844} is an apocalyptic number.

It is an amenable number.

68381704446844 is a deficient number, since it is larger than the sum of its proper divisors (51286278335140).

68381704446844 is a wasteful number, since it uses less digits than its factorization.

68381704446844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17095426111715 (or 17095426111713 counting only the distinct ones).

The product of its (nonzero) digits is 396361728, while the sum is 67.

The spelling of 68381704446844 in words is "sixty-eight trillion, three hundred eighty-one billion, seven hundred four million, four hundred forty-six thousand, eight hundred forty-four".