2489859648 has 168 divisors, whose sum is σ = 7602841792. Its totient is φ = 807335424.

The previous prime is 2489859629. The next prime is 2489859653. The reversal of 2489859648 is 8469589842.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 573261 + ... + 577587.

Almost surely, 2^2489859648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2489859648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3801420896).

2489859648 is an abundant number, since it is smaller than the sum of its proper divisors (5112982144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2489859648 is an equidigital number, since it uses as much as digits as its factorization.

2489859648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4391 (or 4369 counting only the distinct ones).

The product of its digits is 39813120, while the sum is 63.

The square root of 2489859648 is about 49898.4934441913. The cubic root of 2489859648 is about 1355.3713116647.

The spelling of 2489859648 in words is "two billion, four hundred eighty-nine million, eight hundred fifty-nine thousand, six hundred forty-eight".