2489009085 has 12 divisors (see below), whose sum is σ = 4314282492. Its totient is φ = 1327471488.

The previous prime is 2489009023. The next prime is 2489009093. The reversal of 2489009085 is 5809009842.

2489009085 is a `hidden beast` number, since 2 + 489 + 0 + 0 + 90 + 85 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 750869604 + 1738139481 = 27402^2 + 41691^2 .

It is not a de Polignac number, because 2489009085 - 2⁶ = 2489009021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 55311313 = 2489009085 / (2 + 4 + 8 + 9 + 0 + 0 + 9 + 0 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 2489009085.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 27655612 + ... + 27655701.

It is an arithmetic number, because the mean of its divisors is an integer number (359523541).

Almost surely, 2^2489009085 is an apocalyptic number.

It is an amenable number.

2489009085 is a deficient number, since it is larger than the sum of its proper divisors (1825273407).

2489009085 is a wasteful number, since it uses less digits than its factorization.

2489009085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55311324 (or 55311321 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 2489009085 is about 49889.9697835146. The cubic root of 2489009085 is about 1355.2169575846.

The spelling of 2489009085 in words is "two billion, four hundred eighty-nine million, nine thousand, eighty-five".