432128965 has 4 divisors (see below), whose sum is σ = 518554764. Its totient is φ = 345703168.

The previous prime is 432128929. The next prime is 432128987. The reversal of 432128965 is 569821234.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 277922241 + 154206724 = 16671^2 + 12418^2 .

It is a cyclic number.

It is not a de Polignac number, because 432128965 - 2¹¹ = 432126917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43212892 + ... + 43212901.

It is an arithmetic number, because the mean of its divisors is an integer number (129638691).

Almost surely, 2^432128965 is an apocalyptic number.

It is an amenable number.

432128965 is a deficient number, since it is larger than the sum of its proper divisors (86425799).

432128965 is an equidigital number, since it uses as much as digits as its factorization.

432128965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86425798.

The product of its digits is 103680, while the sum is 40.

The square root of 432128965 is about 20787.7118750477. The cubic root of 432128965 is about 756.0278473221.

The spelling of 432128965 in words is "four hundred thirty-two million, one hundred twenty-eight thousand, nine hundred sixty-five".