3838422149 has 2 divisors, whose sum is σ = 3838422150. Its totient is φ = 3838422148.

The previous prime is 3838422113. The next prime is 3838422151. The reversal of 3838422149 is 9412248383.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3613212100 + 225210049 = 60110^2 + 15007^2 .

It is an emirp because it is prime and its reverse (9412248383) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3838422149 is a prime.

It is a Sophie Germain prime.

Together with 3838422151, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3838482149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1919211074 + 1919211075.

It is an arithmetic number, because the mean of its divisors is an integer number (1919211075).

Almost surely, 2^3838422149 is an apocalyptic number.

It is an amenable number.

3838422149 is a deficient number, since it is larger than the sum of its proper divisors (1).

3838422149 is an equidigital number, since it uses as much as digits as its factorization.

3838422149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 331776, while the sum is 44.

The square root of 3838422149 is about 61955.0010007263. The cubic root of 3838422149 is about 1565.7325452152.

The spelling of 3838422149 in words is "three billion, eight hundred thirty-eight million, four hundred twenty-two thousand, one hundred forty-nine".