2444124100421 has 4 divisors (see below), whose sum is σ = 2444131763532. Its totient is φ = 2444116437312.

The previous prime is 2444124100399. The next prime is 2444124100433. The reversal of 2444124100421 is 1240014214442.

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 1567867101025 + 876256999396 = 1252145^2 + 936086^2 .

It is a cyclic number.

It is not a de Polignac number, because 2444124100421 - 2³⁰ = 2443050358597 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 (2444124100441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3331370 + ... + 3998283.

It is an arithmetic number, because the mean of its divisors is an integer number (611032940883).

Almost surely, 2^{2444124100421} is an apocalyptic number.

It is an amenable number.

2444124100421 is a deficient number, since it is larger than the sum of its proper divisors (7663111).

2444124100421 is an equidigital number, since it uses as much as digits as its factorization.

2444124100421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7663110.

The product of its (nonzero) digits is 8192, while the sum is 29.

Adding to 2444124100421 its reverse (1240014214442), we get a palindrome (3684138314863).

The spelling of 2444124100421 in words is "two trillion, four hundred forty-four billion, one hundred twenty-four million, one hundred thousand, four hundred twenty-one".