2499123798 has 24 divisors (see below), whose sum is σ = 5418613200. Its totient is φ = 832449744.

The previous prime is 2499123763. The next prime is 2499123833. The reversal of 2499123798 is 8973219942.

It is an interprime number because it is at equal distance from previous prime (2499123763) and next prime (2499123833).

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, 22858 + ... + 74301.

It is an arithmetic number, because the mean of its divisors is an integer number (225775550).

Almost surely, 2^2499123798 is an apocalyptic number.

2499123798 is an abundant number, since it is smaller than the sum of its proper divisors (2919489402).

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

2499123798 is a wasteful number, since it uses less digits than its factorization.

2499123798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98596 (or 98593 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 2499123798 is about 49991.2372121355. The cubic root of 2499123798 is about 1357.0502312270.

The spelling of 2499123798 in words is "two billion, four hundred ninety-nine million, one hundred twenty-three thousand, seven hundred ninety-eight".