10424321344421 has 4 divisors (see below), whose sum is σ = 10424543843244. Its totient is φ = 10424098845600.

The previous prime is 10424321344361. The next prime is 10424321344427. The reversal of 10424321344421 is 12444312342401.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3634414339396 + 6789907005025 = 1906414^2 + 2605745^2 .

It is a cyclic number.

It is not a de Polignac number, because 10424321344421 - 2³⁰ = 10423247602597 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 (10424321344427) 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, 111179120 + ... + 111272841.

It is an arithmetic number, because the mean of its divisors is an integer number (2606135960811).

Almost surely, 2^{10424321344421} is an apocalyptic number.

It is an amenable number.

10424321344421 is a deficient number, since it is larger than the sum of its proper divisors (222498823).

10424321344421 is an equidigital number, since it uses as much as digits as its factorization.

10424321344421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222498822.

The product of its (nonzero) digits is 73728, while the sum is 35.

Adding to 10424321344421 its reverse (12444312342401), we get a palindrome (22868633686822).

The spelling of 10424321344421 in words is "ten trillion, four hundred twenty-four billion, three hundred twenty-one million, three hundred forty-four thousand, four hundred twenty-one".