491050012 has 12 divisors (see below), whose sum is σ = 863657200. Its totient is φ = 244290816.

The previous prime is 491050009. The next prime is 491050057. The reversal of 491050012 is 210050194.

It is a super-2 number, since 2×491050012² = 482260228570400288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 307653 + ... + 309244.

Almost surely, 2^491050012 is an apocalyptic number.

It is an amenable number.

491050012 is a deficient number, since it is larger than the sum of its proper divisors (372607188).

491050012 is a wasteful number, since it uses less digits than its factorization.

491050012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617100 (or 617098 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 491050012 is about 22159.6482824074. The cubic root of 491050012 is about 788.9362449240.

The spelling of 491050012 in words is "four hundred ninety-one million, fifty thousand, twelve".