4430413444421 has 2 divisors, whose sum is σ = 4430413444422. Its totient is φ = 4430413444420.

The previous prime is 4430413444393. The next prime is 4430413444453. The reversal of 4430413444421 is 1244443140344.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4414037123521 + 16376320900 = 2100961^2 + 127970^2 .

It is a cyclic number.

It is not a de Polignac number, because 4430413444421 - 2³⁰ = 4429339702597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4430413449421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2215206722210 + 2215206722211.

It is an arithmetic number, because the mean of its divisors is an integer number (2215206722211).

Almost surely, 2^{4430413444421} is an apocalyptic number.

It is an amenable number.

4430413444421 is a deficient number, since it is larger than the sum of its proper divisors (1).

4430413444421 is an equidigital number, since it uses as much as digits as its factorization.

4430413444421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 294912, while the sum is 38.

Adding to 4430413444421 its reverse (1244443140344), we get a palindrome (5674856584765).

The spelling of 4430413444421 in words is "four trillion, four hundred thirty billion, four hundred thirteen million, four hundred forty-four thousand, four hundred twenty-one".