10444424421 has 4 divisors (see below), whose sum is σ = 13925899232. Its totient is φ = 6962949612.

The previous prime is 10444424369. The next prime is 10444424423. The reversal of 10444424421 is 12442444401.

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 10444424421 - 2⁶ = 10444424357 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 (10444424423) 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, 1740737401 + ... + 1740737406.

It is an arithmetic number, because the mean of its divisors is an integer number (3481474808).

Almost surely, 2^10444424421 is an apocalyptic number.

It is an amenable number.

10444424421 is a deficient number, since it is larger than the sum of its proper divisors (3481474811).

10444424421 is an equidigital number, since it uses as much as digits as its factorization.

10444424421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3481474810.

The product of its (nonzero) digits is 16384, while the sum is 30.

Adding to 10444424421 its reverse (12442444401), we get a palindrome (22886868822).

The spelling of 10444424421 in words is "ten billion, four hundred forty-four million, four hundred twenty-four thousand, four hundred twenty-one".