5579984581 has 12 divisors (see below), whose sum is σ = 5894086764. Its totient is φ = 5281848000.

The previous prime is 5579984573. The next prime is 5579984587. The reversal of 5579984581 is 1854899755.

It can be written as a sum of positive squares in 2 ways, for example, as 4809422500 + 770562081 = 69350^2 + 27759^2 .

It is not a de Polignac number, because 5579984581 - 2³ = 5579984573 is a prime.

It is a super-2 number, since 2×5579984581² = 62272455848395491122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5579984587) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 471031 + ... + 482731.

It is an arithmetic number, because the mean of its divisors is an integer number (491173897).

Almost surely, 2^5579984581 is an apocalyptic number.

It is an amenable number.

5579984581 is a deficient number, since it is larger than the sum of its proper divisors (314102183).

5579984581 is a wasteful number, since it uses less digits than its factorization.

5579984581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13060 (or 13041 counting only the distinct ones).

The product of its digits is 18144000, while the sum is 61.

The square root of 5579984581 is about 74699.2943808708. The cubic root of 5579984581 is about 1773.6897908721.

The spelling of 5579984581 in words is "five billion, five hundred seventy-nine million, nine hundred eighty-four thousand, five hundred eighty-one".