5670541809 has 21 divisors (see below), whose sum is σ = 8504972923. Its totient is φ = 3779005752.

The previous prime is 5670541787. The next prime is 5670541837. The reversal of 5670541809 is 9081450765.

The square root of 5670541809 is 75303.

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

5670541809 is a `hidden beast` number, since 567 + 0 + 5 + 4 + 1 + 80 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3563731809 + 2106810000 = 59697^2 + 45900^2 .

It is not a de Polignac number, because 5670541809 - 2¹⁷ = 5670410737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5670549809) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 2031787 + ... + 2034575.

Almost surely, 2^5670541809 is an apocalyptic number.

5670541809 is the 75303-rd square number.

5670541809 is the 37652-nd centered octagonal number.

It is an amenable number.

5670541809 is a deficient number, since it is larger than the sum of its proper divisors (2834431114).

5670541809 is an frugal number, since it uses more digits than its factorization.

5670541809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5596 (or 2792 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The cubic root of 5670541809 is about 1783.2333824398.

The spelling of 5670541809 in words is "five billion, six hundred seventy million, five hundred forty-one thousand, eight hundred nine".