68919159384 has 24 divisors (see below), whose sum is σ = 186656056860. Its totient is φ = 22973053104.

The previous prime is 68919159377. The next prime is 68919159389. The reversal of 68919159384 is 48395191986.

68919159384 is a `hidden beast` number, since 68 + 9 + 191 + 5 + 9 + 384 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68919159389) 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 5 ways as a sum of consecutive naturals, for example, 478605202 + ... + 478605345.

Almost surely, 2^68919159384 is an apocalyptic number.

It is an amenable number.

68919159384 is an abundant number, since it is smaller than the sum of its proper divisors (117736897476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68919159384 is a wasteful number, since it uses less digits than its factorization.

68919159384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957210559 (or 957210552 counting only the distinct ones).

The product of its digits is 16796160, while the sum is 63.

The spelling of 68919159384 in words is "sixty-eight billion, nine hundred nineteen million, one hundred fifty-nine thousand, three hundred eighty-four".