1444334124421 has 2 divisors, whose sum is σ = 1444334124422. Its totient is φ = 1444334124420.

The previous prime is 1444334124419. The next prime is 1444334124461. The reversal of 1444334124421 is 1244214334441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1180123732225 + 264210392196 = 1086335^2 + 514014^2 .

It is a cyclic number.

It is not a de Polignac number, because 1444334124421 - 2¹ = 1444334124419 is a prime.

It is a super-2 number, since 2×1444334124421² (a number of 25 digits) contains 22 as substring.

Together with 1444334124419, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1444334124461) 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 as a sum of consecutive naturals, namely, 722167062210 + 722167062211.

It is an arithmetic number, because the mean of its divisors is an integer number (722167062211).

Almost surely, 2^{1444334124421} is an apocalyptic number.

It is an amenable number.

1444334124421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1444334124421 is an equidigital number, since it uses as much as digits as its factorization.

1444334124421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 147456, while the sum is 37.

Adding to 1444334124421 its reverse (1244214334441), we get a palindrome (2688548458862).

The spelling of 1444334124421 in words is "one trillion, four hundred forty-four billion, three hundred thirty-four million, one hundred twenty-four thousand, four hundred twenty-one".