68508424844 has 12 divisors (see below), whose sum is σ = 120093989064. Its totient is φ = 34195856544.

The previous prime is 68508424799. The next prime is 68508424877. The reversal of 68508424844 is 44842480586.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14586329 + ... + 14591024.

It is an arithmetic number, because the mean of its divisors is an integer number (10007832422).

Almost surely, 2^68508424844 is an apocalyptic number.

It is an amenable number.

68508424844 is a deficient number, since it is larger than the sum of its proper divisors (51585564220).

68508424844 is a wasteful number, since it uses less digits than its factorization.

68508424844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29177944 (or 29177942 counting only the distinct ones).

The product of its (nonzero) digits is 7864320, while the sum is 53.

The spelling of 68508424844 in words is "sixty-eight billion, five hundred eight million, four hundred twenty-four thousand, eight hundred forty-four".