43032153509 has 2 divisors, whose sum is σ = 43032153510. Its totient is φ = 43032153508.

The previous prime is 43032153487. The next prime is 43032153517. The reversal of 43032153509 is 90535123034.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27143551009 + 15888602500 = 164753^2 + 126050^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43032153509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43032153529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21516076754 + 21516076755.

It is an arithmetic number, because the mean of its divisors is an integer number (21516076755).

Almost surely, 2^43032153509 is an apocalyptic number.

It is an amenable number.

43032153509 is a deficient number, since it is larger than the sum of its proper divisors (1).

43032153509 is an equidigital number, since it uses as much as digits as its factorization.

43032153509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600, while the sum is 35.

The spelling of 43032153509 in words is "forty-three billion, thirty-two million, one hundred fifty-three thousand, five hundred nine".