19785063368345 has 8 divisors (see below), whose sum is σ = 25900446591360. Its totient is φ = 14389136995120.

The previous prime is 19785063368333. The next prime is 19785063368351. The reversal of 19785063368345 is 54386336058791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 19785063368345 - 2⁸ = 19785063368089 is a prime.

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, 179864212385 + ... + 179864212494.

It is an arithmetic number, because the mean of its divisors is an integer number (3237555823920).

Almost surely, 2^{19785063368345} is an apocalyptic number.

It is an amenable number.

19785063368345 is a deficient number, since it is larger than the sum of its proper divisors (6115383223015).

19785063368345 is a wasteful number, since it uses less digits than its factorization.

19785063368345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359728424895.

The product of its (nonzero) digits is 391910400, while the sum is 68.

The spelling of 19785063368345 in words is "nineteen trillion, seven hundred eighty-five billion, sixty-three million, three hundred sixty-eight thousand, three hundred forty-five".