494893604648 has 16 divisors (see below), whose sum is σ = 959922940500. Its totient is φ = 238914153856.

The previous prime is 494893604627. The next prime is 494893604657. The reversal of 494893604648 is 846406398494.

It can be written as a sum of positive squares in 2 ways, for example, as 427242635044 + 67650969604 = 653638^2 + 260098^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1066580813 + ... + 1066581276.

Almost surely, 2^494893604648 is an apocalyptic number.

It is an amenable number.

494893604648 is a deficient number, since it is larger than the sum of its proper divisors (465029335852).

494893604648 is a wasteful number, since it uses less digits than its factorization.

494893604648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2133162124 (or 2133162120 counting only the distinct ones).

The product of its (nonzero) digits is 143327232, while the sum is 65.

The spelling of 494893604648 in words is "four hundred ninety-four billion, eight hundred ninety-three million, six hundred four thousand, six hundred forty-eight".