14555389891 has 8 divisors (see below), whose sum is σ = 16648276320. Its totient is φ = 12465889728.

The previous prime is 14555389873. The next prime is 14555390023. The reversal of 14555389891 is 19898355541.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14555389891 - 2¹⁵ = 14555357123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14555389811) 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 7 ways as a sum of consecutive naturals, for example, 837346 + ... + 854551.

It is an arithmetic number, because the mean of its divisors is an integer number (2081034540).

Almost surely, 2^14555389891 is an apocalyptic number.

14555389891 is a deficient number, since it is larger than the sum of its proper divisors (2092886429).

14555389891 is a wasteful number, since it uses less digits than its factorization.

14555389891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693133.

The product of its digits is 7776000, while the sum is 58.

The spelling of 14555389891 in words is "fourteen billion, five hundred fifty-five million, three hundred eighty-nine thousand, eight hundred ninety-one".