2144434433321 has 4 divisors (see below), whose sum is σ = 2146798750032. Its totient is φ = 2142070116612.

The previous prime is 2144434433299. The next prime is 2144434433327. The reversal of 2144434433321 is 1233344344412.

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 a cyclic number.

It is not a de Polignac number, because 2144434433321 - 2¹⁸ = 2144434171177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2144434433327) 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, 1182156995 + ... + 1182158808.

It is an arithmetic number, because the mean of its divisors is an integer number (536699687508).

Almost surely, 2^{2144434433321} is an apocalyptic number.

It is an amenable number.

2144434433321 is a deficient number, since it is larger than the sum of its proper divisors (2364316711).

2144434433321 is an equidigital number, since it uses as much as digits as its factorization.

2144434433321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2364316710.

The product of its digits is 331776, while the sum is 38.

Adding to 2144434433321 its reverse (1233344344412), we get a palindrome (3377778777733).

The spelling of 2144434433321 in words is "two trillion, one hundred forty-four billion, four hundred thirty-four million, four hundred thirty-three thousand, three hundred twenty-one".