2655219823 has 4 divisors (see below), whose sum is σ = 2655456408. Its totient is φ = 2654983240.

The previous prime is 2655219821. The next prime is 2655219841. The reversal of 2655219823 is 3289125562.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3289125562 = 2 ⋅1644562781.

It is a cyclic number.

It is not a de Polignac number, because 2655219823 - 2¹ = 2655219821 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 2655219823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2655219821) 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, 100573 + ... + 124198.

It is an arithmetic number, because the mean of its divisors is an integer number (663864102).

Almost surely, 2^2655219823 is an apocalyptic number.

2655219823 is a deficient number, since it is larger than the sum of its proper divisors (236585).

2655219823 is a wasteful number, since it uses less digits than its factorization.

2655219823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236584.

The product of its digits is 259200, while the sum is 43.

The square root of 2655219823 is about 51528.8251661145. The cubic root of 2655219823 is about 1384.7355032805.

The spelling of 2655219823 in words is "two billion, six hundred fifty-five million, two hundred nineteen thousand, eight hundred twenty-three".