2655661343 has 4 divisors (see below), whose sum is σ = 2665533960. Its totient is φ = 2645788728.

The previous prime is 2655661321. The next prime is 2655661357. The reversal of 2655661343 is 3431665562.

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

It is a cyclic number.

It is not a de Polignac number, because 2655661343 - 2²⁸ = 2387225887 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 2655661343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2655663343) 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, 4935905 + ... + 4936442.

It is an arithmetic number, because the mean of its divisors is an integer number (666383490).

Almost surely, 2^2655661343 is an apocalyptic number.

2655661343 is a deficient number, since it is larger than the sum of its proper divisors (9872617).

2655661343 is an equidigital number, since it uses as much as digits as its factorization.

2655661343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9872616.

The product of its digits is 388800, while the sum is 41.

The square root of 2655661343 is about 51533.1091920524. The cubic root of 2655661343 is about 1384.8122520465.

The spelling of 2655661343 in words is "two billion, six hundred fifty-five million, six hundred sixty-one thousand, three hundred forty-three".