493803019 has 2 divisors, whose sum is σ = 493803020. Its totient is φ = 493803018.

The previous prime is 493803017. The next prime is 493803043. The reversal of 493803019 is 910308394.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 493803019 - 2¹ = 493803017 is a prime.

It is a super-2 number, since 2×493803019² = 487682843147028722, which contains 22 as substring.

Together with 493803017, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (493803017) 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, 246901509 + 246901510.

It is an arithmetic number, because the mean of its divisors is an integer number (246901510).

Almost surely, 2^493803019 is an apocalyptic number.

493803019 is a deficient number, since it is larger than the sum of its proper divisors (1).

493803019 is an equidigital number, since it uses as much as digits as its factorization.

493803019 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 37.

The square root of 493803019 is about 22221.6790319724. The cubic root of 493803019 is about 790.4078538136.

The spelling of 493803019 in words is "four hundred ninety-three million, eight hundred three thousand, nineteen".