255662432213 has 2 divisors, whose sum is σ = 255662432214. Its totient is φ = 255662432212.

The previous prime is 255662432203. The next prime is 255662432219. The reversal of 255662432213 is 312234266552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 244029084049 + 11633348164 = 493993^2 + 107858^2 .

It is a cyclic number.

It is not a de Polignac number, because 255662432213 - 2⁴ = 255662432197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255662432219) 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, 127831216106 + 127831216107.

It is an arithmetic number, because the mean of its divisors is an integer number (127831216107).

Almost surely, 2^255662432213 is an apocalyptic number.

It is an amenable number.

255662432213 is a deficient number, since it is larger than the sum of its proper divisors (1).

255662432213 is an equidigital number, since it uses as much as digits as its factorization.

255662432213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 518400, while the sum is 41.

Adding to 255662432213 its reverse (312234266552), we get a palindrome (567896698765).

The spelling of 255662432213 in words is "two hundred fifty-five billion, six hundred sixty-two million, four hundred thirty-two thousand, two hundred thirteen".