4430021344431 has 4 divisors (see below), whose sum is σ = 5906695125912. Its totient is φ = 2953347562952.

The previous prime is 4430021344429. The next prime is 4430021344499. The reversal of 4430021344431 is 1344431200344.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4430021344431 - 2¹ = 4430021344429 is a prime.

It is a super-2 number, since 2×4430021344431² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4430021344392 and 4430021344401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4430021344531) 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 3 ways as a sum of consecutive naturals, for example, 738336890736 + ... + 738336890741.

It is an arithmetic number, because the mean of its divisors is an integer number (1476673781478).

Almost surely, 2^{4430021344431} is an apocalyptic number.

4430021344431 is a deficient number, since it is larger than the sum of its proper divisors (1476673781481).

4430021344431 is a wasteful number, since it uses less digits than its factorization.

4430021344431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476673781480.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 4430021344431 its reverse (1344431200344), we get a palindrome (5774452544775).

The spelling of 4430021344431 in words is "four trillion, four hundred thirty billion, twenty-one million, three hundred forty-four thousand, four hundred thirty-one".