3440144034221 has 2 divisors, whose sum is σ = 3440144034222. Its totient is φ = 3440144034220.

The previous prime is 3440144034203. The next prime is 3440144034241. The reversal of 3440144034221 is 1224304410443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3085063909225 + 355080124996 = 1756435^2 + 595886^2 .

It is a cyclic number.

It is not a de Polignac number, because 3440144034221 - 2⁶ = 3440144034157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3440144034241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1720072017110 + 1720072017111.

It is an arithmetic number, because the mean of its divisors is an integer number (1720072017111).

Almost surely, 2^{3440144034221} is an apocalyptic number.

It is an amenable number.

3440144034221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3440144034221 is an equidigital number, since it uses as much as digits as its factorization.

3440144034221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 3440144034221 its reverse (1224304410443), we get a palindrome (4664448444664).

The spelling of 3440144034221 in words is "three trillion, four hundred forty billion, one hundred forty-four million, thirty-four thousand, two hundred twenty-one".