2871129492 has 72 divisors (see below), whose sum is σ = 9048416832. Its totient is φ = 745747200.

The previous prime is 2871129487. The next prime is 2871129523. The reversal of 2871129492 is 2949211782.

2871129492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 515109 + ... + 520652.

It is an arithmetic number, because the mean of its divisors is an integer number (125672456).

Almost surely, 2^2871129492 is an apocalyptic number.

2871129492 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2871129492 is an abundant number, since it is smaller than the sum of its proper divisors (6177287340).

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

2871129492 is a wasteful number, since it uses less digits than its factorization.

2871129492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035789 (or 1035784 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 2871129492 is about 53582.9216448674. The cubic root of 2871129492 is about 1421.2951042371.

The spelling of 2871129492 in words is "two billion, eight hundred seventy-one million, one hundred twenty-nine thousand, four hundred ninety-two".