2871854149 has 8 divisors (see below), whose sum is σ = 3058366680. Its totient is φ = 2687294976.

The previous prime is 2871854147. The next prime is 2871854159. The reversal of 2871854149 is 9414581782.

It can be written as a sum of positive squares in 4 ways, for example, as 465264900 + 2406589249 = 21570^2 + 49057^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2871854149 - 2¹ = 2871854147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2871854147) 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, 485304 + ... + 491185.

It is an arithmetic number, because the mean of its divisors is an integer number (382295835).

Almost surely, 2^2871854149 is an apocalyptic number.

It is an amenable number.

2871854149 is a deficient number, since it is larger than the sum of its proper divisors (186512531).

2871854149 is a wasteful number, since it uses less digits than its factorization.

2871854149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976679.

The product of its digits is 645120, while the sum is 49.

The square root of 2871854149 is about 53589.6832328761. The cubic root of 2871854149 is about 1421.4146698192.

The spelling of 2871854149 in words is "two billion, eight hundred seventy-one million, eight hundred fifty-four thousand, one hundred forty-nine".