5185384647 has 8 divisors (see below), whose sum is σ = 7100707056. Its totient is φ = 3363492672.

The previous prime is 5185384637. The next prime is 5185384649. The reversal of 5185384647 is 7464835815.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5185384647 - 2²⁰ = 5184336071 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 5185384647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5185384649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23357478 + ... + 23357699.

It is an arithmetic number, because the mean of its divisors is an integer number (887588382).

Almost surely, 2^5185384647 is an apocalyptic number.

5185384647 is a deficient number, since it is larger than the sum of its proper divisors (1915322409).

5185384647 is a wasteful number, since it uses less digits than its factorization.

5185384647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46715217.

The product of its digits is 3225600, while the sum is 51.

The square root of 5185384647 is about 72009.6149621702. The cubic root of 5185384647 is about 1730.8535606626.

The spelling of 5185384647 in words is "five billion, one hundred eighty-five million, three hundred eighty-four thousand, six hundred forty-seven".