2566488539 has 8 divisors (see below), whose sum is σ = 2575732320. Its totient is φ = 2557262016.

The previous prime is 2566488527. The next prime is 2566488553. The reversal of 2566488539 is 9358846652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2566488539 - 2¹² = 2566484443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2566488739) 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 7 ways as a sum of consecutive naturals, for example, 341567 + ... + 348999.

It is an arithmetic number, because the mean of its divisors is an integer number (321966540).

Almost surely, 2^2566488539 is an apocalyptic number.

2566488539 is a deficient number, since it is larger than the sum of its proper divisors (9243781).

2566488539 is an equidigital number, since it uses as much as digits as its factorization.

2566488539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8629.

The product of its digits is 12441600, while the sum is 56.

The square root of 2566488539 is about 50660.5224903968. The cubic root of 2566488539 is about 1369.1355370129.

The spelling of 2566488539 in words is "two billion, five hundred sixty-six million, four hundred eighty-eight thousand, five hundred thirty-nine".