2144404563 has 32 divisors (see below), whose sum is σ = 3482320896. Its totient is φ = 1147146528.

The previous prime is 2144404547. The next prime is 2144404579. The reversal of 2144404563 is 3654044412.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2144404547) and next prime (2144404579).

It is not a de Polignac number, because 2144404563 - 2⁴ = 2144404547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2144404063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24531 + ... + 69932.

It is an arithmetic number, because the mean of its divisors is an integer number (108822528).

Almost surely, 2^2144404563 is an apocalyptic number.

2144404563 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2144404563 is a deficient number, since it is larger than the sum of its proper divisors (1337916333).

2144404563 is a wasteful number, since it uses less digits than its factorization.

2144404563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94543.

The product of its (nonzero) digits is 46080, while the sum is 33.

The square root of 2144404563 is about 46307.7160201192. The cubic root of 2144404563 is about 1289.5422454939.

Adding to 2144404563 its reverse (3654044412), we get a palindrome (5798448975).

The spelling of 2144404563 in words is "two billion, one hundred forty-four million, four hundred four thousand, five hundred sixty-three".