4947446824668 has 144 divisors (see below), whose sum is σ = 14067060999264. Its totient is φ = 1514282895360.

The previous prime is 4947446824643. The next prime is 4947446824669. The reversal of 4947446824668 is 8664286447494.

4947446824668 is a `hidden beast` number, since 4 + 9 + 4 + 7 + 446 + 82 + 46 + 68 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 4947446824596 and 4947446824605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4947446824669) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2973855 + ... + 4328822.

It is an arithmetic number, because the mean of its divisors is an integer number (97687923606).

Almost surely, 2^{4947446824668} is an apocalyptic number.

It is an amenable number.

4947446824668 is an abundant number, since it is smaller than the sum of its proper divisors (9119614174596).

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

4947446824668 is a wasteful number, since it uses less digits than its factorization.

4947446824668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7302754 (or 7302740 counting only the distinct ones).

The product of its digits is 1783627776, while the sum is 72.

The spelling of 4947446824668 in words is "four trillion, nine hundred forty-seven billion, four hundred forty-six million, eight hundred twenty-four thousand, six hundred sixty-eight".