4424164203421 has 4 divisors (see below), whose sum is σ = 4428978311200. Its totient is φ = 4419350095644.

The previous prime is 4424164203413. The next prime is 4424164203427. The reversal of 4424164203421 is 1243024614244.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 4424164203421 - 2³ = 4424164203413 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 (4424164203427) 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, 2407052511 + ... + 2407054348.

It is an arithmetic number, because the mean of its divisors is an integer number (1107244577800).

Almost surely, 2^{4424164203421} is an apocalyptic number.

It is an amenable number.

4424164203421 is a deficient number, since it is larger than the sum of its proper divisors (4814107779).

4424164203421 is an equidigital number, since it uses as much as digits as its factorization.

4424164203421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4814107778.

The product of its (nonzero) digits is 147456, while the sum is 37.

Adding to 4424164203421 its reverse (1243024614244), we get a palindrome (5667188817665).

The spelling of 4424164203421 in words is "four trillion, four hundred twenty-four billion, one hundred sixty-four million, two hundred three thousand, four hundred twenty-one".