43221412434289 has 2 divisors, whose sum is σ = 43221412434290. Its totient is φ = 43221412434288.

The previous prime is 43221412434247. The next prime is 43221412434341. The reversal of 43221412434289 is 98243421412234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30662610488689 + 12558801945600 = 5537383^2 + 3543840^2 .

It is a cyclic number.

It is not a de Polignac number, because 43221412434289 - 2¹¹ = 43221412432241 is a prime.

It is not a weakly prime, because it can be changed into another prime (43221412434229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21610706217144 + 21610706217145.

It is an arithmetic number, because the mean of its divisors is an integer number (21610706217145).

Almost surely, 2^{43221412434289} is an apocalyptic number.

It is an amenable number.

43221412434289 is a deficient number, since it is larger than the sum of its proper divisors (1).

43221412434289 is an equidigital number, since it uses as much as digits as its factorization.

43221412434289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2654208, while the sum is 49.

The spelling of 43221412434289 in words is "forty-three trillion, two hundred twenty-one billion, four hundred twelve million, four hundred thirty-four thousand, two hundred eighty-nine".