494163893650 has 48 divisors (see below), whose sum is σ = 1070271123264. Its totient is φ = 166230866880.

The previous prime is 494163893621. The next prime is 494163893723. The reversal of 494163893650 is 56398361494.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13301232 + ... + 13338331.

It is an arithmetic number, because the mean of its divisors is an integer number (22297315068).

Almost surely, 2^494163893650 is an apocalyptic number.

494163893650 is an abundant number, since it is smaller than the sum of its proper divisors (576107229614).

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

494163893650 is a wasteful number, since it uses less digits than its factorization.

494163893650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26639635 (or 26639630 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 58.

The spelling of 494163893650 in words is "four hundred ninety-four billion, one hundred sixty-three million, eight hundred ninety-three thousand, six hundred fifty".