38182019 has 2 divisors, whose sum is σ = 38182020. Its totient is φ = 38182018.

The previous prime is 38182007. The next prime is 38182021. The reversal of 38182019 is 91028183.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38182019 is a prime.

It is a super-2 number, since 2×38182019² = 2915733149832722, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 38182021, 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 (38182069) 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, 19091009 + 19091010.

It is an arithmetic number, because the mean of its divisors is an integer number (19091010).

Almost surely, 2^38182019 is an apocalyptic number.

38182019 is a deficient number, since it is larger than the sum of its proper divisors (1).

38182019 is an equidigital number, since it uses as much as digits as its factorization.

38182019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 38182019 is about 6179.1600561889. The cubic root of 38182019 is about 336.7334783370.

The spelling of 38182019 in words is "thirty-eight million, one hundred eighty-two thousand, nineteen".