68510431750 has 32 divisors (see below), whose sum is σ = 128318849568. Its totient is φ = 27389788000.

The previous prime is 68510431747. The next prime is 68510431777. The reversal of 68510431750 is 5713401586.

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 (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 411792 + ... + 553708.

It is an arithmetic number, because the mean of its divisors is an integer number (4009964049).

Almost surely, 2^68510431750 is an apocalyptic number.

68510431750 is a deficient number, since it is larger than the sum of its proper divisors (59808417818).

68510431750 is a wasteful number, since it uses less digits than its factorization.

68510431750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143865 (or 143855 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 68510431750 in words is "sixty-eight billion, five hundred ten million, four hundred thirty-one thousand, seven hundred fifty".