2012444409 has 8 divisors (see below), whose sum is σ = 2799922752. Its totient is φ = 1283297840.

The previous prime is 2012444387. The next prime is 2012444461. The reversal of 2012444409 is 9044442102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2012444409 - 2⁷ = 2012444281 is a prime.

It is a super-3 number, since 3×2012444409³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2012443409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14582862 + ... + 14582999.

It is an arithmetic number, because the mean of its divisors is an integer number (349990344).

Almost surely, 2^2012444409 is an apocalyptic number.

It is an amenable number.

2012444409 is a deficient number, since it is larger than the sum of its proper divisors (787478343).

2012444409 is a wasteful number, since it uses less digits than its factorization.

2012444409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29165887.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 2012444409 is about 44860.2765149748. The cubic root of 2012444409 is about 1262.5288108185.

The spelling of 2012444409 in words is "two billion, twelve million, four hundred forty-four thousand, four hundred nine".