2871138489 has 8 divisors (see below), whose sum is σ = 3828432192. Its totient is φ = 1913968560.

The previous prime is 2871138463. The next prime is 2871138499. The reversal of 2871138489 is 9848311782.

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

It is not a de Polignac number, because 2871138489 - 2⁹ = 2871137977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2871138499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75252 + ... + 106794.

It is an arithmetic number, because the mean of its divisors is an integer number (478554024).

Almost surely, 2^2871138489 is an apocalyptic number.

It is an amenable number.

2871138489 is a deficient number, since it is larger than the sum of its proper divisors (957293703).

2871138489 is a wasteful number, since it uses less digits than its factorization.

2871138489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61887.

The product of its digits is 774144, while the sum is 51.

The square root of 2871138489 is about 53583.0055987904. The cubic root of 2871138489 is about 1421.2965888304.

The spelling of 2871138489 in words is "two billion, eight hundred seventy-one million, one hundred thirty-eight thousand, four hundred eighty-nine".