2748768311 has 4 divisors (see below), whose sum is σ = 2749057800. Its totient is φ = 2748478824.

The previous prime is 2748768307. The next prime is 2748768317. The reversal of 2748768311 is 1138678472.

It is a happy number.

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 2748768311 - 2² = 2748768307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2748768317) 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 3 ways as a sum of consecutive naturals, for example, 130001 + ... + 149658.

It is an arithmetic number, because the mean of its divisors is an integer number (687264450).

Almost surely, 2^2748768311 is an apocalyptic number.

2748768311 is a deficient number, since it is larger than the sum of its proper divisors (289489).

2748768311 is an equidigital number, since it uses as much as digits as its factorization.

2748768311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289488.

The product of its digits is 451584, while the sum is 47.

The square root of 2748768311 is about 52428.6973994205. The cubic root of 2748768311 is about 1400.8104679698.

The spelling of 2748768311 in words is "two billion, seven hundred forty-eight million, seven hundred sixty-eight thousand, three hundred eleven".