2144449369 has 8 divisors (see below), whose sum is σ = 2183054048. Its totient is φ = 2106038880.

The previous prime is 2144449331. The next prime is 2144449379. The reversal of 2144449369 is 9639444412.

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 2144449369 - 2²¹ = 2142352217 is a prime.

It is a super-2 number, since 2×2144449369² = 9197326192408996322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2144449319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26172 + ... + 70525.

It is an arithmetic number, because the mean of its divisors is an integer number (272881756).

Almost surely, 2^2144449369 is an apocalyptic number.

It is an amenable number.

2144449369 is a deficient number, since it is larger than the sum of its proper divisors (38604679).

2144449369 is an equidigital number, since it uses as much as digits as its factorization.

2144449369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97095.

The product of its digits is 746496, while the sum is 46.

The square root of 2144449369 is about 46308.1998030586. The cubic root of 2144449369 is about 1289.5512268258.

The spelling of 2144449369 in words is "two billion, one hundred forty-four million, four hundred forty-nine thousand, three hundred sixty-nine".