2748918320273 has 4 divisors (see below), whose sum is σ = 2748922040688. Its totient is φ = 2748914599860.

The previous prime is 2748918320249. The next prime is 2748918320293. The reversal of 2748918320273 is 3720238198472.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2748918320273 - 2²⁰ = 2748917271697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2748918320293) 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 3 ways as a sum of consecutive naturals, for example, 335111 + ... + 2368572.

It is an arithmetic number, because the mean of its divisors is an integer number (687230510172).

Almost surely, 2^{2748918320273} is an apocalyptic number.

It is an amenable number.

2748918320273 is a deficient number, since it is larger than the sum of its proper divisors (3720415).

2748918320273 is a wasteful number, since it uses less digits than its factorization.

2748918320273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3720414.

The product of its (nonzero) digits is 8128512, while the sum is 56.

The spelling of 2748918320273 in words is "two trillion, seven hundred forty-eight billion, nine hundred eighteen million, three hundred twenty thousand, two hundred seventy-three".