2144034561 has 4 divisors (see below), whose sum is σ = 2858712752. Its totient is φ = 1429356372.

The previous prime is 2144034559. The next prime is 2144034587. The reversal of 2144034561 is 1654304412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2144034561 - 2¹ = 2144034559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2144034521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357339091 + ... + 357339096.

It is an arithmetic number, because the mean of its divisors is an integer number (714678188).

Almost surely, 2^2144034561 is an apocalyptic number.

It is an amenable number.

2144034561 is a deficient number, since it is larger than the sum of its proper divisors (714678191).

2144034561 is an equidigital number, since it uses as much as digits as its factorization.

2144034561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714678190.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 2144034561 is about 46303.7208116151. The cubic root of 2144034561 is about 1289.4680740646.

Adding to 2144034561 its reverse (1654304412), we get a palindrome (3798338973).

The spelling of 2144034561 in words is "two billion, one hundred forty-four million, thirty-four thousand, five hundred sixty-one".