5238835209 has 12 divisors (see below), whose sum is σ = 8012336436. Its totient is φ = 3287112192.

The previous prime is 5238835207. The next prime is 5238835247. The reversal of 5238835209 is 9025388325.

It can be written as a sum of positive squares in 2 ways, for example, as 2900145609 + 2338689600 = 53853^2 + 48360^2 .

It is not a de Polignac number, because 5238835209 - 2¹ = 5238835207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5238835207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17120224 + ... + 17120529.

It is an arithmetic number, because the mean of its divisors is an integer number (667694703).

Almost surely, 2^5238835209 is an apocalyptic number.

It is an amenable number.

5238835209 is a deficient number, since it is larger than the sum of its proper divisors (2773501227).

5238835209 is a wasteful number, since it uses less digits than its factorization.

5238835209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34240776 (or 34240773 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The square root of 5238835209 is about 72379.7983487105. The cubic root of 5238835209 is about 1736.7804127803.

The spelling of 5238835209 in words is "five billion, two hundred thirty-eight million, eight hundred thirty-five thousand, two hundred nine".