2731747223 has 4 divisors (see below), whose sum is σ = 2770222608. Its totient is φ = 2693271840.

The previous prime is 2731747169. The next prime is 2731747243. The reversal of 2731747223 is 3227471372.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2731747223 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 (2731747243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19237586 + ... + 19237727.

It is an arithmetic number, because the mean of its divisors is an integer number (692555652).

Almost surely, 2^2731747223 is an apocalyptic number.

2731747223 is a deficient number, since it is larger than the sum of its proper divisors (38475385).

2731747223 is an equidigital number, since it uses as much as digits as its factorization.

2731747223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38475384.

The product of its digits is 98784, while the sum is 38.

The square root of 2731747223 is about 52266.1192647780. The cubic root of 2731747223 is about 1397.9130850664.

The spelling of 2731747223 in words is "two billion, seven hundred thirty-one million, seven hundred forty-seven thousand, two hundred twenty-three".