189363424688 has 20 divisors (see below), whose sum is σ = 366989096760. Its totient is φ = 94656561024.

The previous prime is 189363424651. The next prime is 189363424729. The reversal of 189363424688 is 886424363981.

It is a self number, because there is not a number n which added to its sum of digits gives 189363424688.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1509770 + ... + 1630377.

It is an arithmetic number, because the mean of its divisors is an integer number (18349454838).

Almost surely, 2^189363424688 is an apocalyptic number.

It is an amenable number.

189363424688 is a deficient number, since it is larger than the sum of its proper divisors (177625672072).

189363424688 is a wasteful number, since it uses less digits than its factorization.

189363424688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3143924 (or 3143918 counting only the distinct ones).

The product of its digits is 47775744, while the sum is 62.

The spelling of 189363424688 in words is "one hundred eighty-nine billion, three hundred sixty-three million, four hundred twenty-four thousand, six hundred eighty-eight".