4444443213 has 16 divisors (see below), whose sum is σ = 6774257280. Its totient is φ = 2539017216.

The previous prime is 4444443181. The next prime is 4444443233. The reversal of 4444443213 is 3123444444.

It is not a de Polignac number, because 4444443213 - 2⁵ = 4444443181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4444443233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61081 + ... + 112337.

It is an arithmetic number, because the mean of its divisors is an integer number (423391080).

Almost surely, 2^4444443213 is an apocalyptic number.

It is an amenable number.

4444443213 is a deficient number, since it is larger than the sum of its proper divisors (2329814067).

4444443213 is a wasteful number, since it uses less digits than its factorization.

4444443213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55396.

The product of its digits is 73728, while the sum is 33.

The square root of 4444443213 is about 66666.6574308327. The cubic root of 4444443213 is about 1644.1412310368.

Adding to 4444443213 its reverse (3123444444), we get a palindrome (7567887657).

The spelling of 4444443213 in words is "four billion, four hundred forty-four million, four hundred forty-three thousand, two hundred thirteen".