4244244244421 has 8 divisors (see below), whose sum is σ = 4245671810688. Its totient is φ = 4242816900000.

The previous prime is 4244244244393. The next prime is 4244244244483. The reversal of 4244244244421 is 1244424424424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4244244244421 - 2²² = 4244240050117 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 (4244244244621) 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 in 7 ways as a sum of consecutive naturals, for example, 43887521 + ... + 43984121.

It is an arithmetic number, because the mean of its divisors is an integer number (530708976336).

Almost surely, 2^{4244244244421} is an apocalyptic number.

It is an amenable number.

4244244244421 is a deficient number, since it is larger than the sum of its proper divisors (1427566267).

4244244244421 is an equidigital number, since it uses as much as digits as its factorization.

4244244244421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110923.

The product of its digits is 1048576, while the sum is 41.

Adding to 4244244244421 its reverse (1244424424424), we get a palindrome (5488668668845).

The spelling of 4244244244421 in words is "four trillion, two hundred forty-four billion, two hundred forty-four million, two hundred forty-four thousand, four hundred twenty-one".