14189578938 has 48 divisors (see below), whose sum is σ = 32562129600. Its totient is φ = 4450324608.

The previous prime is 14189578933. The next prime is 14189578957. The reversal of 14189578938 is 83987598141.

14189578938 is a `hidden beast` number, since 14 + 18 + 9 + 578 + 9 + 38 = 666.

It is not an unprimeable number, because it can be changed into a prime (14189578933) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 2015781 + ... + 2022807.

It is an arithmetic number, because the mean of its divisors is an integer number (678377700).

Almost surely, 2^14189578938 is an apocalyptic number.

14189578938 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

14189578938 is an abundant number, since it is smaller than the sum of its proper divisors (18372550662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14189578938 is a wasteful number, since it uses less digits than its factorization.

14189578938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13651 (or 13648 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 63.

The spelling of 14189578938 in words is "fourteen billion, one hundred eighty-nine million, five hundred seventy-eight thousand, nine hundred thirty-eight".