2489516980 has 12 divisors (see below), whose sum is σ = 5227985700. Its totient is φ = 995806784.

The previous prime is 2489516959. The next prime is 2489516993. The reversal of 2489516980 is 896159842.

It can be written as a sum of positive squares in 2 ways, for example, as 774397584 + 1715119396 = 27828^2 + 41414^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62237905 + ... + 62237944.

It is an arithmetic number, because the mean of its divisors is an integer number (435665475).

Almost surely, 2^2489516980 is an apocalyptic number.

2489516980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2489516980 is an abundant number, since it is smaller than the sum of its proper divisors (2738468720).

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

2489516980 is a wasteful number, since it uses less digits than its factorization.

2489516980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124475858 (or 124475856 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 52.

The square root of 2489516980 is about 49895.0596752825. The cubic root of 2489516980 is about 1355.3091309598.

The spelling of 2489516980 in words is "two billion, four hundred eighty-nine million, five hundred sixteen thousand, nine hundred eighty".