43573232089 has 2 divisors, whose sum is σ = 43573232090. Its totient is φ = 43573232088.

The previous prime is 43573232033. The next prime is 43573232111. The reversal of 43573232089 is 98023237534.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39836966464 + 3736265625 = 199592^2 + 61125^2 .

It is a cyclic number.

It is not a de Polignac number, because 43573232089 - 2¹⁷ = 43573101017 is a prime.

It is not a weakly prime, because it can be changed into another prime (43573232029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21786616044 + 21786616045.

It is an arithmetic number, because the mean of its divisors is an integer number (21786616045).

Almost surely, 2^43573232089 is an apocalyptic number.

It is an amenable number.

43573232089 is a deficient number, since it is larger than the sum of its proper divisors (1).

43573232089 is an equidigital number, since it uses as much as digits as its factorization.

43573232089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 46.

Subtracting 43573232089 from its reverse (98023237534), we obtain a palindrome (54450005445).

The spelling of 43573232089 in words is "forty-three billion, five hundred seventy-three million, two hundred thirty-two thousand, eighty-nine".