5205538689 has 8 divisors (see below), whose sum is σ = 7474619712. Its totient is φ = 3203408400.

The previous prime is 5205538673. The next prime is 5205538697. The reversal of 5205538689 is 9868355025.

5205538689 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 5205538689 - 2⁴ = 5205538673 is a prime.

It is a super-3 number, since 3×5205538689³ (a number of 30 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (5205538619) 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, 66737637 + ... + 66737714.

It is an arithmetic number, because the mean of its divisors is an integer number (934327464).

Almost surely, 2^5205538689 is an apocalyptic number.

It is an amenable number.

5205538689 is a deficient number, since it is larger than the sum of its proper divisors (2269081023).

5205538689 is a wasteful number, since it uses less digits than its factorization.

5205538689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133475367.

The product of its (nonzero) digits is 2592000, while the sum is 51.

The square root of 5205538689 is about 72149.4191868514. The cubic root of 5205538689 is about 1733.0930987036.

The spelling of 5205538689 in words is "five billion, two hundred five million, five hundred thirty-eight thousand, six hundred eighty-nine".