14169494881 has 4 divisors (see below), whose sum is σ = 14186029572. Its totient is φ = 14152960192.

The previous prime is 14169494879. The next prime is 14169494897. The reversal of 14169494881 is 18849496141.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10365072481 + 3804422400 = 101809^2 + 61680^2 .

It is a cyclic number.

It is not a de Polignac number, because 14169494881 - 2¹ = 14169494879 is a prime.

It is a super-2 number, since 2×14169494881² (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 (14169494081) 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, 8266060 + ... + 8267773.

It is an arithmetic number, because the mean of its divisors is an integer number (3546507393).

Almost surely, 2^14169494881 is an apocalyptic number.

It is an amenable number.

14169494881 is a deficient number, since it is larger than the sum of its proper divisors (16534691).

14169494881 is an equidigital number, since it uses as much as digits as its factorization.

14169494881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16534690.

The product of its digits is 1990656, while the sum is 55.

The spelling of 14169494881 in words is "fourteen billion, one hundred sixty-nine million, four hundred ninety-four thousand, eight hundred eighty-one".