10144024421 has 4 divisors (see below), whose sum is σ = 10144370700. Its totient is φ = 10143678144.

The previous prime is 10144024417. The next prime is 10144024439. The reversal of 10144024421 is 12442044101.

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 8387995396 + 1756029025 = 91586^2 + 41905^2 .

It is a cyclic number.

It is not a de Polignac number, because 10144024421 - 2² = 10144024417 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 (10144024441) 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, 124676 + ... + 189293.

It is an arithmetic number, because the mean of its divisors is an integer number (2536092675).

Almost surely, 2^10144024421 is an apocalyptic number.

It is an amenable number.

10144024421 is a deficient number, since it is larger than the sum of its proper divisors (346279).

10144024421 is an equidigital number, since it uses as much as digits as its factorization.

10144024421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346278.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 10144024421 its reverse (12442044101), we get a palindrome (22586068522).

The spelling of 10144024421 in words is "ten billion, one hundred forty-four million, twenty-four thousand, four hundred twenty-one".