2178830343 has 16 divisors (see below), whose sum is σ = 2947993056. Its totient is φ = 1431152640.

The previous prime is 2178830317. The next prime is 2178830387. The reversal of 2178830343 is 3430388712.

It is not a de Polignac number, because 2178830343 - 2¹⁸ = 2178568199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2178830243) 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 15 ways as a sum of consecutive naturals, for example, 227671 + ... + 237047.

It is an arithmetic number, because the mean of its divisors is an integer number (184249566).

Almost surely, 2^2178830343 is an apocalyptic number.

2178830343 is a deficient number, since it is larger than the sum of its proper divisors (769162713).

2178830343 is a wasteful number, since it uses less digits than its factorization.

2178830343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10514.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 2178830343 is about 46677.9427888591. The cubic root of 2178830343 is about 1296.4063160969.

The spelling of 2178830343 in words is "two billion, one hundred seventy-eight million, eight hundred thirty thousand, three hundred forty-three".