68322512938 has 16 divisors (see below), whose sum is σ = 106791556680. Its totient is φ = 32742524416.

The previous prime is 68322512917. The next prime is 68322512963. The reversal of 68322512938 is 83921522386.

It is a happy number.

68322512938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 64548007969 + 3774504969 = 254063^2 + 61437^2 .

It is a junction number, because it is equal to n+sod(n) for n = 68322512891 and 68322512900.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4291231 + ... + 4307122.

Almost surely, 2^68322512938 is an apocalyptic number.

68322512938 is a deficient number, since it is larger than the sum of its proper divisors (38469043742).

68322512938 is a wasteful number, since it uses less digits than its factorization.

68322512938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8598521.

The product of its digits is 1244160, while the sum is 49.

The spelling of 68322512938 in words is "sixty-eight billion, three hundred twenty-two million, five hundred twelve thousand, nine hundred thirty-eight".