2499819984 has 30 divisors (see below), whose sum is σ = 6996024386. Its totient is φ = 833273280.

The previous prime is 2499819941. The next prime is 2499820003. The reversal of 2499819984 is 4899189942.

It can be written as a sum of positive squares in only one way, i.e., 1976691600 + 523128384 = 44460^2 + 22872^2 .

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8679787 + ... + 8680074.

Almost surely, 2^2499819984 is an apocalyptic number.

2499819984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2499819984 is an abundant number, since it is smaller than the sum of its proper divisors (4496204402).

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

2499819984 is a wasteful number, since it uses less digits than its factorization.

2499819984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17359875 (or 17359866 counting only the distinct ones).

The product of its digits is 13436928, while the sum is 63.

The square root of 2499819984 is about 49998.1998075931. The cubic root of 2499819984 is about 1357.1762316088.

The spelling of 2499819984 in words is "two billion, four hundred ninety-nine million, eight hundred nineteen thousand, nine hundred eighty-four".