14188893491 has 4 divisors (see below), whose sum is σ = 14189140512. Its totient is φ = 14188646472.

The previous prime is 14188893479. The next prime is 14188893581. The reversal of 14188893491 is 19439888141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19439888141 = 40559 ⋅479299.

It is a cyclic number.

It is not a de Polignac number, because 14188893491 - 2¹⁰ = 14188892467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14188893391) 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 3 ways as a sum of consecutive naturals, for example, 12785 + ... + 168941.

It is an arithmetic number, because the mean of its divisors is an integer number (3547285128).

Almost surely, 2^14188893491 is an apocalyptic number.

14188893491 is a deficient number, since it is larger than the sum of its proper divisors (247021).

14188893491 is an equidigital number, since it uses as much as digits as its factorization.

14188893491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247020.

The product of its digits is 1990656, while the sum is 56.

The spelling of 14188893491 in words is "fourteen billion, one hundred eighty-eight million, eight hundred ninety-three thousand, four hundred ninety-one".