4113212009 has 4 divisors (see below), whose sum is σ = 4120341204. Its totient is φ = 4106082816.

The previous prime is 4113211997. The next prime is 4113212021. The reversal of 4113212009 is 9002123114.

4113212009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (4113211997) and next prime (4113212021).

It can be written as a sum of positive squares in 2 ways, for example, as 2337432409 + 1775779600 = 48347^2 + 42140^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4113212009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4113212069) 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, 3563732 + ... + 3564885.

It is an arithmetic number, because the mean of its divisors is an integer number (1030085301).

Almost surely, 2^4113212009 is an apocalyptic number.

It is an amenable number.

4113212009 is a deficient number, since it is larger than the sum of its proper divisors (7129195).

4113212009 is an equidigital number, since it uses as much as digits as its factorization.

4113212009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7129194.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 4113212009 is about 64134.3278517831. The cubic root of 4113212009 is about 1602.2380151009.

The spelling of 4113212009 in words is "four billion, one hundred thirteen million, two hundred twelve thousand, nine".