2655863211 has 4 divisors (see below), whose sum is σ = 3541150952. Its totient is φ = 1770575472.

The previous prime is 2655863173. The next prime is 2655863251. The reversal of 2655863211 is 1123685562.

2655863211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2655863211 - 2⁷ = 2655863083 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2655863211.

It is not an unprimeable number, because it can be changed into a prime (2655863251) 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, 442643866 + ... + 442643871.

It is an arithmetic number, because the mean of its divisors is an integer number (885287738).

Almost surely, 2^2655863211 is an apocalyptic number.

2655863211 is a deficient number, since it is larger than the sum of its proper divisors (885287741).

2655863211 is an equidigital number, since it uses as much as digits as its factorization.

2655863211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885287740.

The product of its digits is 86400, while the sum is 39.

The square root of 2655863211 is about 51535.0677791346. The cubic root of 2655863211 is about 1384.8473396274.

The spelling of 2655863211 in words is "two billion, six hundred fifty-five million, eight hundred sixty-three thousand, two hundred eleven".