2144034421 has 2 divisors, whose sum is σ = 2144034422. Its totient is φ = 2144034420.

The previous prime is 2144034413. The next prime is 2144034463. The reversal of 2144034421 is 1244304412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2114712196 + 29322225 = 45986^2 + 5415^2 .

It is a cyclic number.

It is not a de Polignac number, because 2144034421 - 2³ = 2144034413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2144034521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072017210 + 1072017211.

It is an arithmetic number, because the mean of its divisors is an integer number (1072017211).

Almost surely, 2^2144034421 is an apocalyptic number.

It is an amenable number.

2144034421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144034421 is an equidigital number, since it uses as much as digits as its factorization.

2144034421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 2144034421 is about 46303.7192998575. The cubic root of 2144034421 is about 1289.4680459982.

Adding to 2144034421 its reverse (1244304412), we get a palindrome (3388338833).

The spelling of 2144034421 in words is "two billion, one hundred forty-four million, thirty-four thousand, four hundred twenty-one".