4424424112421 has 32 divisors (see below), whose sum is σ = 4581663310848. Its totient is φ = 4270203463680.

The previous prime is 4424424112379. The next prime is 4424424112429. The reversal of 4424424112421 is 1242114244244.

It is a cyclic number.

It is not a de Polignac number, because 4424424112421 - 2¹⁸ = 4424423850277 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 (4424424112429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2155100831 + ... + 2155102883.

It is an arithmetic number, because the mean of its divisors is an integer number (143176978464).

Almost surely, 2^{4424424112421} is an apocalyptic number.

It is an amenable number.

4424424112421 is a deficient number, since it is larger than the sum of its proper divisors (157239198427).

4424424112421 is a wasteful number, since it uses less digits than its factorization.

4424424112421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3861.

The product of its digits is 65536, while the sum is 35.

Adding to 4424424112421 its reverse (1242114244244), we get a palindrome (5666538356665).

The spelling of 4424424112421 in words is "four trillion, four hundred twenty-four billion, four hundred twenty-four million, one hundred twelve thousand, four hundred twenty-one".