2489171834 has 8 divisors (see below), whose sum is σ = 3750063060. Its totient is φ = 1239150816.

The previous prime is 2489171821. The next prime is 2489171857. The reversal of 2489171834 is 4381719842.

It can be written as a sum of positive squares in 2 ways, for example, as 2020232809 + 468939025 = 44947^2 + 21655^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2716979 + ... + 2717894.

Almost surely, 2^2489171834 is an apocalyptic number.

2489171834 is a deficient number, since it is larger than the sum of its proper divisors (1260891226).

2489171834 is a wasteful number, since it uses less digits than its factorization.

2489171834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5435104.

The product of its digits is 387072, while the sum is 47.

The square root of 2489171834 is about 49891.6008362129. The cubic root of 2489171834 is about 1355.2464948275.

The spelling of 2489171834 in words is "two billion, four hundred eighty-nine million, one hundred seventy-one thousand, eight hundred thirty-four".