2745800243 has 18 divisors (see below), whose sum is σ = 2881647756. Its totient is φ = 2616225024.

The previous prime is 2745800201. The next prime is 2745800251. The reversal of 2745800243 is 3420085472.

2745800243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2745800243 - 2⁶ = 2745800179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2745800843) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7912796 + ... + 7913142.

It is an arithmetic number, because the mean of its divisors is an integer number (160091542).

Almost surely, 2^2745800243 is an apocalyptic number.

2745800243 is a deficient number, since it is larger than the sum of its proper divisors (135847513).

2745800243 is an frugal number, since it uses more digits than its factorization.

2745800243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599 (or 473 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 2745800243 is about 52400.3839966846. The cubic root of 2745800243 is about 1400.3060968454.

The spelling of 2745800243 in words is "two billion, seven hundred forty-five million, eight hundred thousand, two hundred forty-three".