2112433409 has 2 divisors, whose sum is σ = 2112433410. Its totient is φ = 2112433408.

The previous prime is 2112433397. The next prime is 2112433429. The reversal of 2112433409 is 9043342112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1927473409 + 184960000 = 43903^2 + 13600^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112433409 - 2⁸ = 2112433153 is a prime.

It is a super-2 number, since 2×2112433409² = 8924749814918722562, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2112433429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056216704 + 1056216705.

It is an arithmetic number, because the mean of its divisors is an integer number (1056216705).

Almost surely, 2^2112433409 is an apocalyptic number.

It is an amenable number.

2112433409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112433409 is an equidigital number, since it uses as much as digits as its factorization.

2112433409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 2112433409 is about 45961.2163568372. The cubic root of 2112433409 is about 1283.1014895213.

The spelling of 2112433409 in words is "two billion, one hundred twelve million, four hundred thirty-three thousand, four hundred nine".