255355434004439 has 2 divisors, whose sum is σ = 255355434004440. Its totient is φ = 255355434004438.

The previous prime is 255355434004397. The next prime is 255355434004501. The reversal of 255355434004439 is 934400434553552.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255355434004439 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255355434204439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127677717002219 + 127677717002220.

It is an arithmetic number, because the mean of its divisors is an integer number (127677717002220).

Almost surely, 2^{255355434004439} is an apocalyptic number.

255355434004439 is a deficient number, since it is larger than the sum of its proper divisors (1).

255355434004439 is an equidigital number, since it uses as much as digits as its factorization.

255355434004439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760000, while the sum is 56.

The spelling of 255355434004439 in words is "two hundred fifty-five trillion, three hundred fifty-five billion, four hundred thirty-four million, four thousand, four hundred thirty-nine".