5581579331 has 2 divisors, whose sum is σ = 5581579332. Its totient is φ = 5581579330.

The previous prime is 5581579319. The next prime is 5581579363. The reversal of 5581579331 is 1339751855.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5581579331 - 2¹⁴ = 5581562947 is a prime.

It is a super-2 number, since 2×5581579331² = 62308055656492815122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5581579391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2790789665 + 2790789666.

It is an arithmetic number, because the mean of its divisors is an integer number (2790789666).

Almost surely, 2^5581579331 is an apocalyptic number.

5581579331 is a deficient number, since it is larger than the sum of its proper divisors (1).

5581579331 is an equidigital number, since it uses as much as digits as its factorization.

5581579331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 567000, while the sum is 47.

The square root of 5581579331 is about 74709.9680832484. The cubic root of 5581579331 is about 1773.8587472749.

The spelling of 5581579331 in words is "five billion, five hundred eighty-one million, five hundred seventy-nine thousand, three hundred thirty-one".