255963430441 has 2 divisors, whose sum is σ = 255963430442. Its totient is φ = 255963430440.

The previous prime is 255963430433. The next prime is 255963430549. The reversal of 255963430441 is 144034369552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195063555600 + 60899874841 = 441660^2 + 246779^2 .

It is a cyclic number.

It is not a de Polignac number, because 255963430441 - 2³ = 255963430433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255963430391 and 255963430400.

It is not a weakly prime, because it can be changed into another prime (255963430421) 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, 127981715220 + 127981715221.

It is an arithmetic number, because the mean of its divisors is an integer number (127981715221).

Almost surely, 2^255963430441 is an apocalyptic number.

It is an amenable number.

255963430441 is a deficient number, since it is larger than the sum of its proper divisors (1).

255963430441 is an equidigital number, since it uses as much as digits as its factorization.

255963430441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1555200, while the sum is 46.

Adding to 255963430441 its reverse (144034369552), we get a palindrome (399997799993).

The spelling of 255963430441 in words is "two hundred fifty-five billion, nine hundred sixty-three million, four hundred thirty thousand, four hundred forty-one".