2730873823 has 4 divisors (see below), whose sum is σ = 2777159880. Its totient is φ = 2684587768.

The previous prime is 2730873811. The next prime is 2730873841. The reversal of 2730873823 is 3283780372.

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 2730873823 - 2⁹ = 2730873311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2730873823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2730873623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23142940 + ... + 23143057.

It is an arithmetic number, because the mean of its divisors is an integer number (694289970).

Almost surely, 2^2730873823 is an apocalyptic number.

2730873823 is a deficient number, since it is larger than the sum of its proper divisors (46286057).

2730873823 is an equidigital number, since it uses as much as digits as its factorization.

2730873823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46286056.

The product of its (nonzero) digits is 338688, while the sum is 43.

The square root of 2730873823 is about 52257.7632797272. The cubic root of 2730873823 is about 1397.7640879433.

The spelling of 2730873823 in words is "two billion, seven hundred thirty million, eight hundred seventy-three thousand, eight hundred twenty-three".