2871521938 has 8 divisors (see below), whose sum is σ = 4331346480. Its totient is φ = 1427739780.

The previous prime is 2871521929. The next prime is 2871521953. The reversal of 2871521938 is 8391251782.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4010148 + ... + 4010863.

It is an arithmetic number, because the mean of its divisors is an integer number (541418310).

Almost surely, 2^2871521938 is an apocalyptic number.

2871521938 is a deficient number, since it is larger than the sum of its proper divisors (1459824542).

2871521938 is a wasteful number, since it uses less digits than its factorization.

2871521938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8021192.

The product of its digits is 241920, while the sum is 46.

The square root of 2871521938 is about 53586.5835634256. The cubic root of 2871521938 is about 1421.3598587954.

It can be divided in two parts, 28715 and 21938, that added together give a cube (50653 = 37³).

The spelling of 2871521938 in words is "two billion, eight hundred seventy-one million, five hundred twenty-one thousand, nine hundred thirty-eight".