4044214011421 has 2 divisors, whose sum is σ = 4044214011422. Its totient is φ = 4044214011420.

The previous prime is 4044214011413. The next prime is 4044214011449. The reversal of 4044214011421 is 1241104124404.

It is an a-pointer prime, because the next prime (4044214011449) can be obtained adding 4044214011421 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2646026008921 + 1398188002500 = 1626661^2 + 1182450^2 .

It is a cyclic number.

It is not a de Polignac number, because 4044214011421 - 2³ = 4044214011413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4044214011421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4044214011521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2022107005710 + 2022107005711.

It is an arithmetic number, because the mean of its divisors is an integer number (2022107005711).

Almost surely, 2^{4044214011421} is an apocalyptic number.

It is an amenable number.

4044214011421 is a deficient number, since it is larger than the sum of its proper divisors (1).

4044214011421 is an equidigital number, since it uses as much as digits as its factorization.

4044214011421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4096, while the sum is 28.

Adding to 4044214011421 its reverse (1241104124404), we get a palindrome (5285318135825).

The spelling of 4044214011421 in words is "four trillion, forty-four billion, two hundred fourteen million, eleven thousand, four hundred twenty-one".