68919500288 has 20 divisors (see below), whose sum is σ = 137704393200. Its totient is φ = 34459749888.

The previous prime is 68919500231. The next prime is 68919500291. The reversal of 68919500288 is 88200591986.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67303688 + ... + 67304711.

It is an arithmetic number, because the mean of its divisors is an integer number (6885219660).

Almost surely, 2^68919500288 is an apocalyptic number.

It is an amenable number.

68919500288 is a deficient number, since it is larger than the sum of its proper divisors (68784892912).

68919500288 is an equidigital number, since it uses as much as digits as its factorization.

68919500288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134608417 (or 134608401 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 56.

The spelling of 68919500288 in words is "sixty-eight billion, nine hundred nineteen million, five hundred thousand, two hundred eighty-eight".