609382019 has 2 divisors, whose sum is σ = 609382020. Its totient is φ = 609382018.

The previous prime is 609381991. The next prime is 609382061. The reversal of 609382019 is 910283906.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 609382019 - 2⁸ = 609381763 is a prime.

It is a super-2 number, since 2×609382019² = 742692890161032722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (609382069) 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, 304691009 + 304691010.

It is an arithmetic number, because the mean of its divisors is an integer number (304691010).

Almost surely, 2^609382019 is an apocalyptic number.

609382019 is a deficient number, since it is larger than the sum of its proper divisors (1).

609382019 is an equidigital number, since it uses as much as digits as its factorization.

609382019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 609382019 is about 24685.6642406073. The cubic root of 609382019 is about 847.8061158403.

The spelling of 609382019 in words is "six hundred nine million, three hundred eighty-two thousand, nineteen".