19680789475 has 24 divisors (see below), whose sum is σ = 25698060080. Its totient is φ = 14910480000.

The previous prime is 19680789439. The next prime is 19680789521. The reversal of 19680789475 is 57498708691.

It is not a de Polignac number, because 19680789475 - 2²¹ = 19678692323 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1676125 + ... + 1687825.

Almost surely, 2^19680789475 is an apocalyptic number.

19680789475 is a deficient number, since it is larger than the sum of its proper divisors (6017270605).

19680789475 is a wasteful number, since it uses less digits than its factorization.

19680789475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15271 (or 15266 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 64.

The spelling of 19680789475 in words is "nineteen billion, six hundred eighty million, seven hundred eighty-nine thousand, four hundred seventy-five".