2489671758 has 16 divisors (see below), whose sum is σ = 5690678400. Its totient is φ = 711334776.

The previous prime is 2489671757. The next prime is 2489671763. The reversal of 2489671758 is 8571769842.

It is a junction number, because it is equal to n+sod(n) for n = 2489671698 and 2489671707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2489671757) 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 7 ways as a sum of consecutive naturals, for example, 29638908 + ... + 29638991.

It is an arithmetic number, because the mean of its divisors is an integer number (355667400).

Almost surely, 2^2489671758 is an apocalyptic number.

2489671758 is an abundant number, since it is smaller than the sum of its proper divisors (3201006642).

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

2489671758 is a wasteful number, since it uses less digits than its factorization.

2489671758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59277911.

The product of its digits is 6773760, while the sum is 57.

The square root of 2489671758 is about 49896.6106864985. The cubic root of 2489671758 is about 1355.3372177588.

The spelling of 2489671758 in words is "two billion, four hundred eighty-nine million, six hundred seventy-one thousand, seven hundred fifty-eight".