5209208652 has 24 divisors (see below), whose sum is σ = 12159816256. Its totient is φ = 1735689168.

The previous prime is 5209208639. The next prime is 5209208671. The reversal of 5209208652 is 2568029025.

It is a self number, because there is not a number n which added to its sum of digits gives 5209208652.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58378 + ... + 117585.

Almost surely, 2^5209208652 is an apocalyptic number.

It is an amenable number.

5209208652 is an abundant number, since it is smaller than the sum of its proper divisors (6950607604).

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

5209208652 is a wasteful number, since it uses less digits than its factorization.

5209208652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178437 (or 178435 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 5209208652 is about 72174.8477795416. The cubic root of 5209208652 is about 1733.5002863678.

The spelling of 5209208652 in words is "five billion, two hundred nine million, two hundred eight thousand, six hundred fifty-two".