255436234088443 has 4 divisors (see below), whose sum is σ = 255708844798120. Its totient is φ = 255163623378768.

The previous prime is 255436234088429. The next prime is 255436234088449. The reversal of 255436234088443 is 344880432634552.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255436234088443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255436234088449) 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 in 3 ways as a sum of consecutive naturals, for example, 136305353433 + ... + 136305355306.

It is an arithmetic number, because the mean of its divisors is an integer number (63927211199530).

Almost surely, 2^{255436234088443} is an apocalyptic number.

255436234088443 is a deficient number, since it is larger than the sum of its proper divisors (272610709677).

255436234088443 is an equidigital number, since it uses as much as digits as its factorization.

255436234088443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272610709676.

The product of its (nonzero) digits is 265420800, while the sum is 61.

The spelling of 255436234088443 in words is "two hundred fifty-five trillion, four hundred thirty-six billion, two hundred thirty-four million, eighty-eight thousand, four hundred forty-three".