2755866013 has 4 divisors (see below), whose sum is σ = 2763542880. Its totient is φ = 2748189148.

The previous prime is 2755866011. The next prime is 2755866017. The reversal of 2755866013 is 3106685572.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2755866013 - 2¹ = 2755866011 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 (2755866011) 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, 3837895 + ... + 3838612.

It is an arithmetic number, because the mean of its divisors is an integer number (690885720).

Almost surely, 2^2755866013 is an apocalyptic number.

It is an amenable number.

2755866013 is a deficient number, since it is larger than the sum of its proper divisors (7676867).

2755866013 is an equidigital number, since it uses as much as digits as its factorization.

2755866013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7676866.

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 2755866013 is about 52496.3428535741. The cubic root of 2755866013 is about 1402.0151275024.

The spelling of 2755866013 in words is "two billion, seven hundred fifty-five million, eight hundred sixty-six thousand, thirteen".