2144504401 has 4 divisors (see below), whose sum is σ = 2309466292. Its totient is φ = 1979542512.

The previous prime is 2144504387. The next prime is 2144504473. The reversal of 2144504401 is 1044054412.

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 637512001 + 1506992400 = 25249^2 + 38820^2 .

It is a cyclic number.

It is not a de Polignac number, because 2144504401 - 2²⁵ = 2110949969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2144504101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82480926 + ... + 82480951.

It is an arithmetic number, because the mean of its divisors is an integer number (577366573).

Almost surely, 2^2144504401 is an apocalyptic number.

It is an amenable number.

2144504401 is a deficient number, since it is larger than the sum of its proper divisors (164961891).

2144504401 is a wasteful number, since it uses less digits than its factorization.

2144504401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164961890.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 2144504401 is about 46308.7939920702. The cubic root of 2144504401 is about 1289.5622577812.

Adding to 2144504401 its reverse (1044054412), we get a palindrome (3188558813).

The spelling of 2144504401 in words is "two billion, one hundred forty-four million, five hundred four thousand, four hundred one".