255632941009 has 4 divisors (see below), whose sum is σ = 255758932660. Its totient is φ = 255506949360.

The previous prime is 255632940989. The next prime is 255632941013. The reversal of 255632941009 is 900149236552.

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 121312890000 + 134320051009 = 348300^2 + 366497^2 .

It is a cyclic number.

It is not a de Polignac number, because 255632941009 - 2¹⁵ = 255632908241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 255632941009.

It is not an unprimeable number, because it can be changed into a prime (255632941019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62992782 + ... + 62996839.

It is an arithmetic number, because the mean of its divisors is an integer number (63939733165).

Almost surely, 2^255632941009 is an apocalyptic number.

It is an amenable number.

255632941009 is a deficient number, since it is larger than the sum of its proper divisors (125991651).

255632941009 is a wasteful number, since it uses less digits than its factorization.

255632941009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125991650.

The product of its (nonzero) digits is 583200, while the sum is 46.

The spelling of 255632941009 in words is "two hundred fifty-five billion, six hundred thirty-two million, nine hundred forty-one thousand, nine".