2489864846 has 32 divisors (see below), whose sum is σ = 4604713920. Its totient is φ = 985360896.

The previous prime is 2489864843. The next prime is 2489864879. The reversal of 2489864846 is 6484689842.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2489864843) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 86081 + ... + 111308.

It is an arithmetic number, because the mean of its divisors is an integer number (143897310).

Almost surely, 2^2489864846 is an apocalyptic number.

2489864846 is a deficient number, since it is larger than the sum of its proper divisors (2114849074).

2489864846 is a wasteful number, since it uses less digits than its factorization.

2489864846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197468.

The product of its digits is 21233664, while the sum is 59.

The square root of 2489864846 is about 49898.5455299050. The cubic root of 2489864846 is about 1355.3722548525.

The spelling of 2489864846 in words is "two billion, four hundred eighty-nine million, eight hundred sixty-four thousand, eight hundred forty-six".