4434221413 has 4 divisors (see below), whose sum is σ = 4434359008. Its totient is φ = 4434083820.

The previous prime is 4434221411. The next prime is 4434221437. The reversal of 4434221413 is 3141224344.

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 4434221413 - 2¹ = 4434221411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4434221411) 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, 8470 + ... + 94552.

It is an arithmetic number, because the mean of its divisors is an integer number (1108589752).

Almost surely, 2^4434221413 is an apocalyptic number.

It is an amenable number.

4434221413 is a deficient number, since it is larger than the sum of its proper divisors (137595).

4434221413 is an equidigital number, since it uses as much as digits as its factorization.

4434221413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137594.

The product of its digits is 9216, while the sum is 28.

The square root of 4434221413 is about 66589.9497897393. The cubic root of 4434221413 is about 1642.8798069280.

Adding to 4434221413 its reverse (3141224344), we get a palindrome (7575445757).

The spelling of 4434221413 in words is "four billion, four hundred thirty-four million, two hundred twenty-one thousand, four hundred thirteen".