432473009 has 4 divisors (see below), whose sum is σ = 439803120. Its totient is φ = 425142900.

The previous prime is 432472913. The next prime is 432473023. The reversal of 432473009 is 900374234.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 432473009 - 2⁸ = 432472753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (432473029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3664967 + ... + 3665084.

It is an arithmetic number, because the mean of its divisors is an integer number (109950780).

Almost surely, 2^432473009 is an apocalyptic number.

It is an amenable number.

432473009 is a deficient number, since it is larger than the sum of its proper divisors (7330111).

432473009 is an equidigital number, since it uses as much as digits as its factorization.

432473009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7330110.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 432473009 is about 20795.9854058422. The cubic root of 432473009 is about 756.2284339273.

The spelling of 432473009 in words is "four hundred thirty-two million, four hundred seventy-three thousand, nine".