19383685550475 has 48 divisors (see below), whose sum is σ = 32074227903744. Its totient is φ = 10329408432000.

The previous prime is 19383685550389. The next prime is 19383685550497. The reversal of 19383685550475 is 57405558638391.

It is not a de Polignac number, because 19383685550475 - 2¹⁷ = 19383685419403 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1112015010 + ... + 1112032440.

It is an arithmetic number, because the mean of its divisors is an integer number (668213081328).

Almost surely, 2^{19383685550475} is an apocalyptic number.

19383685550475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

19383685550475 is a deficient number, since it is larger than the sum of its proper divisors (12690542353269).

19383685550475 is a wasteful number, since it uses less digits than its factorization.

19383685550475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28868 (or 28863 counting only the distinct ones).

The product of its (nonzero) digits is 544320000, while the sum is 69.

The spelling of 19383685550475 in words is "nineteen trillion, three hundred eighty-three billion, six hundred eighty-five million, five hundred fifty thousand, four hundred seventy-five".