4144221413 has 4 divisors (see below), whose sum is σ = 4144362720. Its totient is φ = 4144080108.

The previous prime is 4144221383. The next prime is 4144221437. The reversal of 4144221413 is 3141224414.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4144221413 - 2¹⁶ = 4144155877 is a prime.

It is a super-2 number, since 2×4144221413² = 34349142239935433138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4144221463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8345 + ... + 91422.

It is an arithmetic number, because the mean of its divisors is an integer number (1036090680).

Almost surely, 2^4144221413 is an apocalyptic number.

It is an amenable number.

4144221413 is a deficient number, since it is larger than the sum of its proper divisors (141307).

4144221413 is an equidigital number, since it uses as much as digits as its factorization.

4144221413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141306.

The product of its digits is 3072, while the sum is 26.

The square root of 4144221413 is about 64375.6274765536. The cubic root of 4144221413 is about 1606.2543499042.

Adding to 4144221413 its reverse (3141224414), we get a palindrome (7285445827).

The spelling of 4144221413 in words is "four billion, one hundred forty-four million, two hundred twenty-one thousand, four hundred thirteen".