189584480569 has 27 divisors (see below), whose sum is σ = 217967095087. Its totient is φ = 164760279200.

The previous prime is 189584480537. The next prime is 189584480611. The reversal of 189584480569 is 965084485981.

The square root of 189584480569 is 435413.

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., 140015910969 + 49568569600 = 374187^2 + 222640^2 .

It is not a de Polignac number, because 189584480569 - 2⁵ = 189584480537 is a prime.

It is a super-2 number, since 2×189584480569² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189584480509) 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 26 ways as a sum of consecutive naturals, for example, 110158629 + ... + 110160349.

Almost surely, 2^189584480569 is an apocalyptic number.

189584480569 is the 435413-rd square number.

189584480569 is the 217707-th centered octagonal number.

It is an amenable number.

189584480569 is a deficient number, since it is larger than the sum of its proper divisors (28382614518).

189584480569 is an frugal number, since it uses more digits than its factorization.

189584480569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3510 (or 1755 counting only the distinct ones).

The product of its (nonzero) digits is 99532800, while the sum is 67.

The spelling of 189584480569 in words is "one hundred eighty-nine billion, five hundred eighty-four million, four hundred eighty thousand, five hundred sixty-nine".