494073844956 has 18 divisors (see below), whose sum is σ = 1248908885952. Its totient is φ = 164691281640.

The previous prime is 494073844939. The next prime is 494073844961. The reversal of 494073844956 is 659448370494.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 494073844893 and 494073844902.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 6862136700 + ... + 6862136771.

Almost surely, 2^494073844956 is an apocalyptic number.

It is an amenable number.

494073844956 is an abundant number, since it is smaller than the sum of its proper divisors (754835040996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

494073844956 is a wasteful number, since it uses less digits than its factorization.

494073844956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13724273481 (or 13724273476 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 63.

The spelling of 494073844956 in words is "four hundred ninety-four billion, seventy-three million, eight hundred forty-four thousand, nine hundred fifty-six".