2558010881 has 4 divisors (see below), whose sum is σ = 2566343472. Its totient is φ = 2549678292.

The previous prime is 2558010877. The next prime is 2558010887. The reversal of 2558010881 is 1880108552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2558010881 - 2² = 2558010877 is a prime.

It is a super-2 number, since 2×2558010881² = 13086839334628792322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2558010887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4165835 + ... + 4166448.

It is an arithmetic number, because the mean of its divisors is an integer number (641585868).

Almost surely, 2^2558010881 is an apocalyptic number.

It is an amenable number.

2558010881 is a deficient number, since it is larger than the sum of its proper divisors (8332591).

2558010881 is an equidigital number, since it uses as much as digits as its factorization.

2558010881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8332590.

The product of its (nonzero) digits is 25600, while the sum is 38.

The square root of 2558010881 is about 50576.7820348428. The cubic root of 2558010881 is about 1367.6263586983.

The spelling of 2558010881 in words is "two billion, five hundred fifty-eight million, ten thousand, eight hundred eighty-one".