2147730843 has 4 divisors (see below), whose sum is σ = 2863641128. Its totient is φ = 1431820560.

The previous prime is 2147730841. The next prime is 2147730859. The reversal of 2147730843 is 3480377412.

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

It is not a de Polignac number, because 2147730843 - 2¹ = 2147730841 is a prime.

It is a super-2 number, since 2×2147730843² = 9225495547946981298, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2147730841) 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, 357955138 + ... + 357955143.

It is an arithmetic number, because the mean of its divisors is an integer number (715910282).

Almost surely, 2^2147730843 is an apocalyptic number.

2147730843 is a deficient number, since it is larger than the sum of its proper divisors (715910285).

2147730843 is an equidigital number, since it uses as much as digits as its factorization.

2147730843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715910284.

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 2147730843 is about 46343.6170685889. The cubic root of 2147730843 is about 1290.2086562308.

The spelling of 2147730843 in words is "two billion, one hundred forty-seven million, seven hundred thirty thousand, eight hundred forty-three".