432144531509 has 2 divisors, whose sum is σ = 432144531510. Its totient is φ = 432144531508.

The previous prime is 432144531499. The next prime is 432144531517. The reversal of 432144531509 is 905135441234.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 374570928484 + 57573603025 = 612022^2 + 239945^2 .

It is a cyclic number.

It is not a de Polignac number, because 432144531509 - 2⁴ = 432144531493 is a prime.

It is a super-2 number, since 2×432144531509² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (432144537509) 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, 216072265754 + 216072265755.

It is an arithmetic number, because the mean of its divisors is an integer number (216072265755).

Almost surely, 2^432144531509 is an apocalyptic number.

It is an amenable number.

432144531509 is a deficient number, since it is larger than the sum of its proper divisors (1).

432144531509 is an equidigital number, since it uses as much as digits as its factorization.

432144531509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 432144531509 in words is "four hundred thirty-two billion, one hundred forty-four million, five hundred thirty-one thousand, five hundred nine".