2489668833 has 16 divisors (see below), whose sum is σ = 3499606656. Its totient is φ = 1571243520.

The previous prime is 2489668801. The next prime is 2489668837. The reversal of 2489668833 is 3388669842.

It is a happy number.

It is not a de Polignac number, because 2489668833 - 2⁵ = 2489668801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2489668837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179298 + ... + 192683.

It is an arithmetic number, because the mean of its divisors is an integer number (218725416).

Almost surely, 2^2489668833 is an apocalyptic number.

2489668833 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2489668833 is a deficient number, since it is larger than the sum of its proper divisors (1009937823).

2489668833 is a wasteful number, since it uses less digits than its factorization.

2489668833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372104.

The product of its digits is 11943936, while the sum is 57.

The square root of 2489668833 is about 49896.5813758819. The cubic root of 2489668833 is about 1355.3366869843.

The spelling of 2489668833 in words is "two billion, four hundred eighty-nine million, six hundred sixty-eight thousand, eight hundred thirty-three".