43435234489 has 2 divisors, whose sum is σ = 43435234490. Its totient is φ = 43435234488.

The previous prime is 43435234471. The next prime is 43435234499. The reversal of 43435234489 is 98443253434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42896623225 + 538611264 = 207115^2 + 23208^2 .

It is a cyclic number.

It is not a de Polignac number, because 43435234489 - 2²⁹ = 42898363577 is a prime.

It is a super-2 number, since 2×43435234489² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (43435234499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21717617244 + 21717617245.

It is an arithmetic number, because the mean of its divisors is an integer number (21717617245).

Almost surely, 2^43435234489 is an apocalyptic number.

It is an amenable number.

43435234489 is a deficient number, since it is larger than the sum of its proper divisors (1).

43435234489 is an equidigital number, since it uses as much as digits as its factorization.

43435234489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4976640, while the sum is 49.

The spelling of 43435234489 in words is "forty-three billion, four hundred thirty-five million, two hundred thirty-four thousand, four hundred eighty-nine".