2489281855 has 16 divisors (see below), whose sum is σ = 3046065984. Its totient is φ = 1952524800.

The previous prime is 2489281853. The next prime is 2489281891. The reversal of 2489281855 is 5581829842.

It is not a de Polignac number, because 2489281855 - 2¹ = 2489281853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2489281853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28087 + ... + 75943.

It is an arithmetic number, because the mean of its divisors is an integer number (190379124).

Almost surely, 2^2489281855 is an apocalyptic number.

2489281855 is a deficient number, since it is larger than the sum of its proper divisors (556784129).

2489281855 is a wasteful number, since it uses less digits than its factorization.

2489281855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48066.

The product of its digits is 1843200, while the sum is 52.

The square root of 2489281855 is about 49892.7034244487. The cubic root of 2489281855 is about 1355.2664617600.

The spelling of 2489281855 in words is "two billion, four hundred eighty-nine million, two hundred eighty-one thousand, eight hundred fifty-five".