2748763289 has 16 divisors (see below), whose sum is σ = 2864883600. Its totient is φ = 2634153984.

The previous prime is 2748763253. The next prime is 2748763343. The reversal of 2748763289 is 9823678472.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 30913600 + 2717849689 = 5560^2 + 52133^2 .

It is not a de Polignac number, because 2748763289 - 2²⁰ = 2747714713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2748763219) 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 15 ways as a sum of consecutive naturals, for example, 2958377 + ... + 2959305.

It is an arithmetic number, because the mean of its divisors is an integer number (179055225).

Almost surely, 2^2748763289 is an apocalyptic number.

2748763289 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2748763289 is a deficient number, since it is larger than the sum of its proper divisors (116120311).

2748763289 is a wasteful number, since it uses less digits than its factorization.

2748763289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612.

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

The square root of 2748763289 is about 52428.6495057807. The cubic root of 2748763289 is about 1400.8096148757.

The spelling of 2748763289 in words is "two billion, seven hundred forty-eight million, seven hundred sixty-three thousand, two hundred eighty-nine".