5208866249 has 8 divisors (see below), whose sum is σ = 5518782720. Its totient is φ = 4899340096.

The previous prime is 5208866231. The next prime is 5208866269. The reversal of 5208866249 is 9426688025.

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

It is a cyclic number.

It is not a de Polignac number, because 5208866249 - 2⁸ = 5208865993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5208866197 and 5208866206.

It is not an unprimeable number, because it can be changed into a prime (5208866269) 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, 69869 + ... + 123690.

It is an arithmetic number, because the mean of its divisors is an integer number (689847840).

Almost surely, 2^5208866249 is an apocalyptic number.

It is an amenable number.

5208866249 is a deficient number, since it is larger than the sum of its proper divisors (309916471).

5208866249 is a wasteful number, since it uses less digits than its factorization.

5208866249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195159.

The product of its (nonzero) digits is 1658880, while the sum is 50.

The square root of 5208866249 is about 72172.4757023063. The cubic root of 5208866249 is about 1733.4623043540.

The spelling of 5208866249 in words is "five billion, two hundred eight million, eight hundred sixty-six thousand, two hundred forty-nine".