30432412009 has 4 divisors (see below), whose sum is σ = 31006608516. Its totient is φ = 29858215504.

The previous prime is 30432412001. The next prime is 30432412019. The reversal of 30432412009 is 90021423403.

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 19209128409 + 11223283600 = 138597^2 + 105940^2 .

It is a cyclic number.

It is not a de Polignac number, because 30432412009 - 2³ = 30432412001 is a prime.

It is a super-2 number, since 2×30432412009² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30432412001) 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, 287098174 + ... + 287098279.

It is an arithmetic number, because the mean of its divisors is an integer number (7751652129).

Almost surely, 2^30432412009 is an apocalyptic number.

It is an amenable number.

30432412009 is a deficient number, since it is larger than the sum of its proper divisors (574196507).

30432412009 is an equidigital number, since it uses as much as digits as its factorization.

30432412009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574196506.

The product of its (nonzero) digits is 5184, while the sum is 28.

The spelling of 30432412009 in words is "thirty billion, four hundred thirty-two million, four hundred twelve thousand, nine".