2489864818 has 8 divisors (see below), whose sum is σ = 4268339712. Its totient is φ = 1067084916.

The previous prime is 2489864759. The next prime is 2489864843. The reversal of 2489864818 is 8184689842.

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

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, 88923730 + ... + 88923757.

It is an arithmetic number, because the mean of its divisors is an integer number (533542464).

Almost surely, 2^2489864818 is an apocalyptic number.

2489864818 is a deficient number, since it is larger than the sum of its proper divisors (1778474894).

2489864818 is a wasteful number, since it uses less digits than its factorization.

2489864818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177847496.

The product of its digits is 7077888, while the sum is 58.

The square root of 2489864818 is about 49898.5452493357. The cubic root of 2489864818 is about 1355.3722497718.

The spelling of 2489864818 in words is "two billion, four hundred eighty-nine million, eight hundred sixty-four thousand, eight hundred eighteen".