4647424343985 has 40 divisors (see below), whose sum is σ = 8334809473320. Its totient is φ = 2477474608896.

The previous prime is 4647424343927. The next prime is 4647424343993. The reversal of 4647424343985 is 5893434247464.

4647424343985 is a `hidden beast` number, since 4 + 6 + 47 + 42 + 43 + 439 + 85 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 650527741809 + 3996896602176 = 806553^2 + 1999224^2 .

It is not a de Polignac number, because 4647424343985 - 2¹³ = 4647424335793 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1792950 + ... + 3536879.

It is an arithmetic number, because the mean of its divisors is an integer number (208370236833).

Almost surely, 2^{4647424343985} is an apocalyptic number.

4647424343985 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4647424343985 is a deficient number, since it is larger than the sum of its proper divisors (3687385129335).

4647424343985 is a wasteful number, since it uses less digits than its factorization.

4647424343985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5331999 (or 5331990 counting only the distinct ones).

The product of its digits is 278691840, while the sum is 63.

The spelling of 4647424343985 in words is "four trillion, six hundred forty-seven billion, four hundred twenty-four million, three hundred forty-three thousand, nine hundred eighty-five".