1044434143421 has 2 divisors, whose sum is σ = 1044434143422. Its totient is φ = 1044434143420.

The previous prime is 1044434143351. The next prime is 1044434143447. The reversal of 1044434143421 is 1243414344401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1005329080921 + 39105062500 = 1002661^2 + 197750^2 .

It is an emirp because it is prime and its reverse (1243414344401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1044434143421 - 2³⁰ = 1043360401597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1044434143481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522217071710 + 522217071711.

It is an arithmetic number, because the mean of its divisors is an integer number (522217071711).

Almost surely, 2^{1044434143421} is an apocalyptic number.

It is an amenable number.

1044434143421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1044434143421 is an equidigital number, since it uses as much as digits as its factorization.

1044434143421 is an odious number, because the sum of its binary digits is odd.

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

Adding to 1044434143421 its reverse (1243414344401), we get a palindrome (2287848487822).

The spelling of 1044434143421 in words is "one trillion, forty-four billion, four hundred thirty-four million, one hundred forty-three thousand, four hundred twenty-one".