2655666544253 has 2 divisors, whose sum is σ = 2655666544254. Its totient is φ = 2655666544252.

The previous prime is 2655666544183. The next prime is 2655666544313. The reversal of 2655666544253 is 3524456665562.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2547528825604 + 108137718649 = 1596098^2 + 328843^2 .

It is a cyclic number.

It is not a de Polignac number, because 2655666544253 - 2¹² = 2655666540157 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2655666544192 and 2655666544201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2655666544753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1327833272126 + 1327833272127.

It is an arithmetic number, because the mean of its divisors is an integer number (1327833272127).

Almost surely, 2^{2655666544253} is an apocalyptic number.

It is an amenable number.

2655666544253 is a deficient number, since it is larger than the sum of its proper divisors (1).

2655666544253 is an equidigital number, since it uses as much as digits as its factorization.

2655666544253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520000, while the sum is 59.

The spelling of 2655666544253 in words is "two trillion, six hundred fifty-five billion, six hundred sixty-six million, five hundred forty-four thousand, two hundred fifty-three".