1434423311221 has 2 divisors, whose sum is σ = 1434423311222. Its totient is φ = 1434423311220.

The previous prime is 1434423311197. The next prime is 1434423311281. The reversal of 1434423311221 is 1221133244341.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1366294480996 + 68128830225 = 1168886^2 + 261015^2 .

It is a cyclic number.

It is not a de Polignac number, because 1434423311221 - 2¹³ = 1434423303029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1434423311281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 717211655610 + 717211655611.

It is an arithmetic number, because the mean of its divisors is an integer number (717211655611).

Almost surely, 2^{1434423311221} is an apocalyptic number.

It is an amenable number.

1434423311221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1434423311221 is an equidigital number, since it uses as much as digits as its factorization.

1434423311221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 31.

Adding to 1434423311221 its reverse (1221133244341), we get a palindrome (2655556555562).

The spelling of 1434423311221 in words is "one trillion, four hundred thirty-four billion, four hundred twenty-three million, three hundred eleven thousand, two hundred twenty-one".