494190862009 has 16 divisors (see below), whose sum is σ = 537445964160. Its totient is φ = 451688624640.

The previous prime is 494190862007. The next prime is 494190862013. The reversal of 494190862009 is 900268091494.

It is a cyclic number.

It is not a de Polignac number, because 494190862009 - 2¹ = 494190862007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (494190862007) 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, 2749129 + ... + 2923369.

It is an arithmetic number, because the mean of its divisors is an integer number (33590372760).

Almost surely, 2^494190862009 is an apocalyptic number.

It is an amenable number.

494190862009 is a deficient number, since it is larger than the sum of its proper divisors (43255102151).

494190862009 is a wasteful number, since it uses less digits than its factorization.

494190862009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176400.

The product of its (nonzero) digits is 1119744, while the sum is 52.

The spelling of 494190862009 in words is "four hundred ninety-four billion, one hundred ninety million, eight hundred sixty-two thousand, nine".