68612386448 has 10 divisors (see below), whose sum is σ = 132936498774. Its totient is φ = 34306193216.

The previous prime is 68612386439. The next prime is 68612386483. The reversal of 68612386448 is 84468321686.

It can be written as a sum of positive squares in only one way, i.e., 60561272464 + 8051113984 = 246092^2 + 89728^2 .

It is a junction number, because it is equal to n+sod(n) for n = 68612386393 and 68612386402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2144137061 + ... + 2144137092.

Almost surely, 2^68612386448 is an apocalyptic number.

It is an amenable number.

68612386448 is a deficient number, since it is larger than the sum of its proper divisors (64324112326).

68612386448 is a wasteful number, since it uses less digits than its factorization.

68612386448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4288274161 (or 4288274155 counting only the distinct ones).

The product of its digits is 10616832, while the sum is 56.

It can be divided in two parts, 6861238 and 6448, that added together give a palindrome (6867686).

The spelling of 68612386448 in words is "sixty-eight billion, six hundred twelve million, three hundred eighty-six thousand, four hundred forty-eight".