2748771841 has 4 divisors (see below), whose sum is σ = 2756928772. Its totient is φ = 2740614912.

The previous prime is 2748771811. The next prime is 2748771877. The reversal of 2748771841 is 1481778472.

It is a happy number.

2748771841 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 can be written as a sum of positive squares in 2 ways, for example, as 1110222400 + 1638549441 = 33320^2 + 40479^2 .

It is a cyclic number.

It is not a de Polignac number, because 2748771841 - 2⁷ = 2748771713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2748771811) 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, 4077960 + ... + 4078633.

It is an arithmetic number, because the mean of its divisors is an integer number (689232193).

Almost surely, 2^2748771841 is an apocalyptic number.

It is an amenable number.

2748771841 is a deficient number, since it is larger than the sum of its proper divisors (8156931).

2748771841 is an equidigital number, since it uses as much as digits as its factorization.

2748771841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8156930.

The product of its digits is 702464, while the sum is 49.

The square root of 2748771841 is about 52428.7310641789. The cubic root of 2748771841 is about 1400.8110676152.

The spelling of 2748771841 in words is "two billion, seven hundred forty-eight million, seven hundred seventy-one thousand, eight hundred forty-one".