68378490472 has 32 divisors (see below), whose sum is σ = 128595600000. Its totient is φ = 34086435328.

The previous prime is 68378490443. The next prime is 68378490493. The reversal of 68378490472 is 27409487386.

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 in 7 ways as a sum of consecutive naturals, for example, 6326529 + ... + 6337327.

It is an arithmetic number, because the mean of its divisors is an integer number (4018612500).

Almost surely, 2^68378490472 is an apocalyptic number.

It is an amenable number.

68378490472 is a deficient number, since it is larger than the sum of its proper divisors (60217109528).

68378490472 is a wasteful number, since it uses less digits than its factorization.

68378490472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13113 (or 13109 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 58.

The spelling of 68378490472 in words is "sixty-eight billion, three hundred seventy-eight million, four hundred ninety thousand, four hundred seventy-two".