255396696593 has 4 divisors (see below), whose sum is σ = 255603162420. Its totient is φ = 255190230768.

The previous prime is 255396696523. The next prime is 255396696601. The reversal of 255396696593 is 395696693552.

255396696593 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 155276978704 + 100119717889 = 394052^2 + 316417^2 .

It is a cyclic number.

It is not a de Polignac number, because 255396696593 - 2⁸ = 255396696337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255396696523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103231058 + ... + 103233531.

It is an arithmetic number, because the mean of its divisors is an integer number (63900790605).

Almost surely, 2^255396696593 is an apocalyptic number.

It is an amenable number.

255396696593 is a deficient number, since it is larger than the sum of its proper divisors (206465827).

255396696593 is a wasteful number, since it uses less digits than its factorization.

255396696593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206465826.

The product of its digits is 354294000, while the sum is 68.

The spelling of 255396696593 in words is "two hundred fifty-five billion, three hundred ninety-six million, six hundred ninety-six thousand, five hundred ninety-three".