5438222609 has 2 divisors, whose sum is σ = 5438222610. Its totient is φ = 5438222608.

The previous prime is 5438222551. The next prime is 5438222611. The reversal of 5438222609 is 9062228345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4186478209 + 1251744400 = 64703^2 + 35380^2 .

It is a cyclic number.

It is not a de Polignac number, because 5438222609 - 2¹⁶ = 5438157073 is a prime.

It is a Sophie Germain prime.

Together with 5438222611, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (5438221609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2719111304 + 2719111305.

It is an arithmetic number, because the mean of its divisors is an integer number (2719111305).

Almost surely, 2^5438222609 is an apocalyptic number.

It is an amenable number.

5438222609 is a deficient number, since it is larger than the sum of its proper divisors (1).

5438222609 is an equidigital number, since it uses as much as digits as its factorization.

5438222609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 41.

The square root of 5438222609 is about 73744.3056038905. The cubic root of 5438222609 is about 1758.5403066880.

The spelling of 5438222609 in words is "five billion, four hundred thirty-eight million, two hundred twenty-two thousand, six hundred nine".