2655612043243 has 2 divisors, whose sum is σ = 2655612043244. Its totient is φ = 2655612043242.

The previous prime is 2655612043181. The next prime is 2655612043307. The reversal of 2655612043243 is 3423402165562.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2655612043243 - 2⁹ = 2655612042731 is a prime.

It is a super-2 number, since 2×2655612043243² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2655612043243.

It is not a weakly prime, because it can be changed into another prime (2655612040243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1327806021621 + 1327806021622.

It is an arithmetic number, because the mean of its divisors is an integer number (1327806021622).

Almost surely, 2^{2655612043243} is an apocalyptic number.

2655612043243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2655612043243 is an equidigital number, since it uses as much as digits as its factorization.

2655612043243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 2655612043243 in words is "two trillion, six hundred fifty-five billion, six hundred twelve million, forty-three thousand, two hundred forty-three".