68745219508 has 96 divisors (see below), whose sum is σ = 142706995200. Its totient is φ = 28370908800.

The previous prime is 68745219479. The next prime is 68745219527. The reversal of 68745219508 is 80591254786.

It is a happy number.

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 in 31 ways as a sum of consecutive naturals, for example, 17094538 + ... + 17098558.

It is an arithmetic number, because the mean of its divisors is an integer number (1486531200).

Almost surely, 2^68745219508 is an apocalyptic number.

It is an amenable number.

68745219508 is an abundant number, since it is smaller than the sum of its proper divisors (73961775692).

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

68745219508 is a wasteful number, since it uses less digits than its factorization.

68745219508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4301 (or 4299 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 55.

The spelling of 68745219508 in words is "sixty-eight billion, seven hundred forty-five million, two hundred nineteen thousand, five hundred eight".