494119509 has 16 divisors (see below), whose sum is σ = 732393984. Its totient is φ = 294264000.

The previous prime is 494119489. The next prime is 494119517. The reversal of 494119509 is 905911494.

It is a happy number.

It is not a de Polignac number, because 494119509 - 2⁸ = 494119253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494119559) 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 in 15 ways as a sum of consecutive naturals, for example, 203142 + ... + 205559.

It is an arithmetic number, because the mean of its divisors is an integer number (45774624).

Almost surely, 2^494119509 is an apocalyptic number.

It is an amenable number.

494119509 is a deficient number, since it is larger than the sum of its proper divisors (238274475).

494119509 is a wasteful number, since it uses less digits than its factorization.

494119509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408748.

The product of its (nonzero) digits is 58320, while the sum is 42.

The square root of 494119509 is about 22228.7990903692. The cubic root of 494119509 is about 790.5766814279.

The spelling of 494119509 in words is "four hundred ninety-four million, one hundred nineteen thousand, five hundred nine".