14493992881 has 3 divisors (see below), whose sum is σ = 14494113273. Its totient is φ = 14493872490.

The previous prime is 14493992873. The next prime is 14493992893. The reversal of 14493992881 is 18829939441.

The square root of 14493992881 is 120391.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 18829939441 = 5519 ⋅3411839.

It is not a de Polignac number, because 14493992881 - 2³ = 14493992873 is a prime.

It is a super-2 number, since 2×14493992881² (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 (14493972881) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 60196 + ... + 180586.

It is an arithmetic number, because the mean of its divisors is an integer number (4831371091).

Almost surely, 2^14493992881 is an apocalyptic number.

14493992881 is the 120391-st square number.

14493992881 is the 60196-th centered octagonal number.

It is an amenable number.

14493992881 is a deficient number, since it is larger than the sum of its proper divisors (120392).

14493992881 is an frugal number, since it uses more digits than its factorization.

14493992881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240782 (or 120391 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 58.

It can be divided in two parts, 144 and 93992881, that added together give a square (93993025 = 9695²).

The spelling of 14493992881 in words is "fourteen billion, four hundred ninety-three million, nine hundred ninety-two thousand, eight hundred eighty-one".