14189578939 has 4 divisors (see below), whose sum is σ = 14205686040. Its totient is φ = 14173471840.

The previous prime is 14189578933. The next prime is 14189578957. The reversal of 14189578939 is 93987598141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93987598141 = 69499 ⋅1352359.

It is a cyclic number.

It is not a de Polignac number, because 14189578939 - 2²⁵ = 14156024507 is a prime.

It is a super-2 number, since 2×14189578939² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8052229 + ... + 8053990.

It is an arithmetic number, because the mean of its divisors is an integer number (3551421510).

Almost surely, 2^14189578939 is an apocalyptic number.

14189578939 is a deficient number, since it is larger than the sum of its proper divisors (16107101).

14189578939 is an equidigital number, since it uses as much as digits as its factorization.

14189578939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16107100.

The product of its digits is 19595520, while the sum is 64.

The spelling of 14189578939 in words is "fourteen billion, one hundred eighty-nine million, five hundred seventy-eight thousand, nine hundred thirty-nine".