43534344343489 has 2 divisors, whose sum is σ = 43534344343490. Its totient is φ = 43534344343488.

The previous prime is 43534344343481. The next prime is 43534344343559. The reversal of 43534344343489 is 98434344343534.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42520728307264 + 1013616036225 = 6520792^2 + 1006785^2 .

It is a cyclic number.

It is not a de Polignac number, because 43534344343489 - 2³ = 43534344343481 is a prime.

It is not a weakly prime, because it can be changed into another prime (43534344343481) 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, 21767172171744 + 21767172171745.

It is an arithmetic number, because the mean of its divisors is an integer number (21767172171745).

Almost surely, 2^{43534344343489} is an apocalyptic number.

It is an amenable number.

43534344343489 is a deficient number, since it is larger than the sum of its proper divisors (1).

43534344343489 is an equidigital number, since it uses as much as digits as its factorization.

43534344343489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 358318080, while the sum is 61.

The spelling of 43534344343489 in words is "forty-three trillion, five hundred thirty-four billion, three hundred forty-four million, three hundred forty-three thousand, four hundred eighty-nine".