2728774743 has 4 divisors (see below), whose sum is σ = 3638366328. Its totient is φ = 1819183160.

The previous prime is 2728774733. The next prime is 2728774757. The reversal of 2728774743 is 3474778272.

2728774743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2728774743 - 2¹⁸ = 2728512599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2728774723) 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, 454795788 + ... + 454795793.

It is an arithmetic number, because the mean of its divisors is an integer number (909591582).

Almost surely, 2^2728774743 is an apocalyptic number.

2728774743 is a deficient number, since it is larger than the sum of its proper divisors (909591585).

2728774743 is an equidigital number, since it uses as much as digits as its factorization.

2728774743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909591584.

The product of its digits is 3687936, while the sum is 51.

The square root of 2728774743 is about 52237.6755129858. The cubic root of 2728774743 is about 1397.4058667419.

The spelling of 2728774743 in words is "two billion, seven hundred twenty-eight million, seven hundred seventy-four thousand, seven hundred forty-three".