14444131200421 has 8 divisors (see below), whose sum is σ = 15555927867480. Its totient is φ = 13332435912192.

The previous prime is 14444131200403. The next prime is 14444131200439. The reversal of 14444131200421 is 12400213144441.

It is an interprime number because it is at equal distance from previous prime (14444131200403) and next prime (14444131200439).

It can be written as a sum of positive squares in 4 ways, for example, as 3668412396100 + 10775718804321 = 1915310^2 + 3282639^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14444131200421 - 2²¹ = 14444129103269 is a prime.

It is a super-2 number, since 2×14444131200421² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14444131200461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25048660 + ... + 25618813.

It is an arithmetic number, because the mean of its divisors is an integer number (1944490983435).

Almost surely, 2^{14444131200421} is an apocalyptic number.

It is an amenable number.

14444131200421 is a deficient number, since it is larger than the sum of its proper divisors (1111796667059).

14444131200421 is a wasteful number, since it uses less digits than its factorization.

14444131200421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50689415.

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 14444131200421 its reverse (12400213144441), we get a palindrome (26844344344862).

The spelling of 14444131200421 in words is "fourteen trillion, four hundred forty-four billion, one hundred thirty-one million, two hundred thousand, four hundred twenty-one".