2871652769 has 4 divisors (see below), whose sum is σ = 2949265044. Its totient is φ = 2794040496.

The previous prime is 2871652759. The next prime is 2871652783. The reversal of 2871652769 is 9672561782.

2871652769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2491207744 + 380445025 = 49912^2 + 19505^2 .

It is not a de Polignac number, because 2871652769 - 2¹² = 2871648673 is a prime.

It is a super-2 number, since 2×2871652769² = 16492779251410734722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2871652769.

It is not an unprimeable number, because it can be changed into a prime (2871652709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38806082 + ... + 38806155.

It is an arithmetic number, because the mean of its divisors is an integer number (737316261).

Almost surely, 2^2871652769 is an apocalyptic number.

It is an amenable number.

2871652769 is a deficient number, since it is larger than the sum of its proper divisors (77612275).

2871652769 is an equidigital number, since it uses as much as digits as its factorization.

2871652769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77612274.

The product of its digits is 2540160, while the sum is 53.

The square root of 2871652769 is about 53587.8042935144. The cubic root of 2871652769 is about 1421.3814449220.

The spelling of 2871652769 in words is "two billion, eight hundred seventy-one million, six hundred fifty-two thousand, seven hundred sixty-nine".