5188702009 has 4 divisors (see below), whose sum is σ = 5203569700. Its totient is φ = 5173834320.

The previous prime is 5188702007. The next prime is 5188702019. The reversal of 5188702009 is 9002078815.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4604029609 + 584672400 = 67853^2 + 24180^2 .

It is a cyclic number.

It is not a de Polignac number, because 5188702009 - 2¹ = 5188702007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5188702007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7433322 + ... + 7434019.

It is an arithmetic number, because the mean of its divisors is an integer number (1300892425).

Almost surely, 2^5188702009 is an apocalyptic number.

It is an amenable number.

5188702009 is a deficient number, since it is larger than the sum of its proper divisors (14867691).

5188702009 is a wasteful number, since it uses less digits than its factorization.

5188702009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14867690.

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 5188702009 is about 72032.6454394117. The cubic root of 5188702009 is about 1731.2225878546. Note that the first 3 decimals are identical.

The spelling of 5188702009 in words is "five billion, one hundred eighty-eight million, seven hundred two thousand, nine".