1412443321 has 2 divisors, whose sum is σ = 1412443322. Its totient is φ = 1412443320.

The previous prime is 1412443313. The next prime is 1412443339. The reversal of 1412443321 is 1233442141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1401454096 + 10989225 = 37436^2 + 3315^2 .

It is a cyclic number.

It is not a de Polignac number, because 1412443321 - 2³ = 1412443313 is a prime.

It is a super-2 number, since 2×1412443321² = 3989992270075018082, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1412443391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 706221660 + 706221661.

It is an arithmetic number, because the mean of its divisors is an integer number (706221661).

Almost surely, 2^1412443321 is an apocalyptic number.

It is an amenable number.

1412443321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1412443321 is an equidigital number, since it uses as much as digits as its factorization.

1412443321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 25.

The square root of 1412443321 is about 37582.4868921683. The cubic root of 1412443321 is about 1121.9935055859.

Adding to 1412443321 its reverse (1233442141), we get a palindrome (2645885462).

The spelling of 1412443321 in words is "one billion, four hundred twelve million, four hundred forty-three thousand, three hundred twenty-one".