2655741649 has 16 divisors (see below), whose sum is σ = 3125485440. Its totient is φ = 2229410560.

The previous prime is 2655741629. The next prime is 2655741677. The reversal of 2655741649 is 9461475562.

It is a cyclic number.

It is not a de Polignac number, because 2655741649 - 2⁵ = 2655741617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2655741629) 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, 124069 + ... + 143890.

It is an arithmetic number, because the mean of its divisors is an integer number (195342840).

Almost surely, 2^2655741649 is an apocalyptic number.

It is an amenable number.

2655741649 is a deficient number, since it is larger than the sum of its proper divisors (469743791).

2655741649 is a wasteful number, since it uses less digits than its factorization.

2655741649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268040.

The product of its digits is 1814400, while the sum is 49.

The square root of 2655741649 is about 51533.8883551397. Note that the first 3 decimals coincide. The cubic root of 2655741649 is about 1384.8262106049.

The spelling of 2655741649 in words is "two billion, six hundred fifty-five million, seven hundred forty-one thousand, six hundred forty-nine".