2431422209 has 2 divisors, whose sum is σ = 2431422210. Its totient is φ = 2431422208.

The previous prime is 2431422167. The next prime is 2431422211. The reversal of 2431422209 is 9022241342.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2271475600 + 159946609 = 47660^2 + 12647^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2431422209 is a prime.

Together with 2431422211, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2431422269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1215711104 + 1215711105.

It is an arithmetic number, because the mean of its divisors is an integer number (1215711105).

Almost surely, 2^2431422209 is an apocalyptic number.

It is an amenable number.

2431422209 is a deficient number, since it is larger than the sum of its proper divisors (1).

2431422209 is an equidigital number, since it uses as much as digits as its factorization.

2431422209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 2431422209 is about 49309.4535459480. The cubic root of 2431422209 is about 1344.6836565252.

The spelling of 2431422209 in words is "two billion, four hundred thirty-one million, four hundred twenty-two thousand, two hundred nine".