4189019 has 2 divisors, whose sum is σ = 4189020. Its totient is φ = 4189018.

The previous prime is 4189001. The next prime is 4189027. The reversal of 4189019 is 9109814.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4189019 - 2⁸ = 4188763 is a prime.

It is a super-2 number, since 2×4189019² = 35095760364722, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (4189039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2094509 + 2094510.

It is an arithmetic number, because the mean of its divisors is an integer number (2094510).

Almost surely, 2^4189019 is an apocalyptic number.

4189019 is a deficient number, since it is larger than the sum of its proper divisors (1).

4189019 is an equidigital number, since it uses as much as digits as its factorization.

4189019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 4189019 is about 2046.7093100878. The cubic root of 4189019 is about 161.2021302930.

The spelling of 4189019 in words is "four million, one hundred eighty-nine thousand, nineteen".