2489117485 has 8 divisors (see below), whose sum is σ = 3017734776. Its totient is φ = 1970764800.

The previous prime is 2489117443. The next prime is 2489117489. The reversal of 2489117485 is 5847119842.

It can be written as a sum of positive squares in 4 ways, for example, as 6487209 + 2482630276 = 2547^2 + 49826^2 .

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

It is not a de Polignac number, because 2489117485 - 2¹⁷ = 2488986413 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 (2489117489) 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, 2565616 + ... + 2566585.

It is an arithmetic number, because the mean of its divisors is an integer number (377216847).

Almost surely, 2^2489117485 is an apocalyptic number.

It is an amenable number.

2489117485 is a deficient number, since it is larger than the sum of its proper divisors (528617291).

2489117485 is an equidigital number, since it uses as much as digits as its factorization.

2489117485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5132303.

The product of its digits is 645120, while the sum is 49.

The square root of 2489117485 is about 49891.0561624025. The cubic root of 2489117485 is about 1355.2366311951.

The spelling of 2489117485 in words is "two billion, four hundred eighty-nine million, one hundred seventeen thousand, four hundred eighty-five".