2871126193 has 4 divisors (see below), whose sum is σ = 3091982068. Its totient is φ = 2650270320.

The previous prime is 2871126149. The next prime is 2871126197. The reversal of 2871126193 is 3916211782.

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 1478940849 + 1392185344 = 38457^2 + 37312^2 .

It is a cyclic number.

It is not a de Polignac number, because 2871126193 - 2²⁵ = 2837571761 is a prime.

It is a super-2 number, since 2×2871126193² = 16486731232261346498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2871126197) 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, 110427918 + ... + 110427943.

It is an arithmetic number, because the mean of its divisors is an integer number (772995517).

Almost surely, 2^2871126193 is an apocalyptic number.

It is an amenable number.

2871126193 is a deficient number, since it is larger than the sum of its proper divisors (220855875).

2871126193 is a wasteful number, since it uses less digits than its factorization.

2871126193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220855874.

The product of its digits is 36288, while the sum is 40.

The square root of 2871126193 is about 53582.8908607962. The cubic root of 2871126193 is about 1421.2945598690.

The spelling of 2871126193 in words is "two billion, eight hundred seventy-one million, one hundred twenty-six thousand, one hundred ninety-three".