2165482847 has 4 divisors (see below), whose sum is σ = 2362344936. Its totient is φ = 1968620760.

The previous prime is 2165482829. The next prime is 2165482849. The reversal of 2165482847 is 7482845612.

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

It is a cyclic number.

It is not a de Polignac number, because 2165482847 - 2⁶ = 2165482783 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 (2165482849) 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, 98431028 + ... + 98431049.

It is an arithmetic number, because the mean of its divisors is an integer number (590586234).

Almost surely, 2^2165482847 is an apocalyptic number.

2165482847 is a deficient number, since it is larger than the sum of its proper divisors (196862089).

2165482847 is a wasteful number, since it uses less digits than its factorization.

2165482847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196862088.

The product of its digits is 860160, while the sum is 47.

The square root of 2165482847 is about 46534.7488120437. The cubic root of 2165482847 is about 1293.7536339385.

The spelling of 2165482847 in words is "two billion, one hundred sixty-five million, four hundred eighty-two thousand, eight hundred forty-seven".