4144411021 has 4 divisors (see below), whose sum is σ = 4196872000. Its totient is φ = 4091950044.

The previous prime is 4144411003. The next prime is 4144411031. The reversal of 4144411021 is 1201144414.

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 not a de Polignac number, because 4144411021 - 2²³ = 4136022413 is a prime.

It is a super-2 number, since 2×4144411021² = 34352285421972524882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4144410983 and 4144411001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4144411001) 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 in 3 ways as a sum of consecutive naturals, for example, 26230371 + ... + 26230528.

It is an arithmetic number, because the mean of its divisors is an integer number (1049218000).

Almost surely, 2^4144411021 is an apocalyptic number.

It is an amenable number.

4144411021 is a deficient number, since it is larger than the sum of its proper divisors (52460979).

4144411021 is an equidigital number, since it uses as much as digits as its factorization.

4144411021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52460978.

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 4144411021 is about 64377.1001288502. The cubic root of 4144411021 is about 1606.2788461847.

Adding to 4144411021 its reverse (1201144414), we get a palindrome (5345555435).

The spelling of 4144411021 in words is "four billion, one hundred forty-four million, four hundred eleven thousand, twenty-one".