2768548689 has 9 divisors (see below), whose sum is σ = 3999242793. Its totient is φ = 1845593892.

The previous prime is 2768548681. The next prime is 2768548789. The reversal of 2768548689 is 9868458672.

The square root of 2768548689 is 52617.

It is a perfect power (a square), and thus also a powerful number.

2768548689 is a `hidden beast` number, since 2 + 7 + 6 + 8 + 548 + 6 + 89 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 2768548689 - 2³ = 2768548681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2768548681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 149082 + ... + 166620.

Almost surely, 2^2768548689 is an apocalyptic number.

2768548689 is the 52617-th square number.

2768548689 is the 26309-th centered octagonal number.

It is an amenable number.

2768548689 is a deficient number, since it is larger than the sum of its proper divisors (1230694104).

2768548689 is an frugal number, since it uses more digits than its factorization.

2768548689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35084 (or 17542 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 63.

The cubic root of 2768548689 is about 1404.1625584905.

The spelling of 2768548689 in words is "two billion, seven hundred sixty-eight million, five hundred forty-eight thousand, six hundred eighty-nine".