255944712853 has 4 divisors (see below), whose sum is σ = 255949804588. Its totient is φ = 255939621120.

The previous prime is 255944712851. The next prime is 255944712869. The reversal of 255944712853 is 358217449552.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 193408207524 + 62536505329 = 439782^2 + 250073^2 .

It is a cyclic number.

It is not a de Polignac number, because 255944712853 - 2¹ = 255944712851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255944712794 and 255944712803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255944712851) 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 in 3 ways as a sum of consecutive naturals, for example, 2469708 + ... + 2571253.

It is an arithmetic number, because the mean of its divisors is an integer number (63987451147).

Almost surely, 2^255944712853 is an apocalyptic number.

It is an amenable number.

255944712853 is a deficient number, since it is larger than the sum of its proper divisors (5091735).

255944712853 is an equidigital number, since it uses as much as digits as its factorization.

255944712853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5091734.

The product of its digits is 12096000, while the sum is 55.

The spelling of 255944712853 in words is "two hundred fifty-five billion, nine hundred forty-four million, seven hundred twelve thousand, eight hundred fifty-three".