5617052809 has 9 divisors (see below), whose sum is σ = 5666269063. Its totient is φ = 5568262312.

The previous prime is 5617052761. The next prime is 5617052827. The reversal of 5617052809 is 9082507165.

The square root of 5617052809 is 74947.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 658076409 + 4958976400 = 25653^2 + 70420^2 .

It is not a de Polignac number, because 5617052809 - 2¹³ = 5617044617 is a prime.

It is a super-3 number, since 3×5617052809³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5617052009) 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 8 ways as a sum of consecutive naturals, for example, 11166852 + ... + 11167354.

Almost surely, 2^5617052809 is an apocalyptic number.

5617052809 is the 74947-th square number.

5617052809 is the 37474-th centered octagonal number.

It is an amenable number.

5617052809 is a deficient number, since it is larger than the sum of its proper divisors (49216254).

5617052809 is an frugal number, since it uses more digits than its factorization.

5617052809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304 (or 652 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 43.

The cubic root of 5617052809 is about 1777.6087075560.

The spelling of 5617052809 in words is "five billion, six hundred seventeen million, fifty-two thousand, eight hundred nine".