255305887696413 has 6 divisors (see below), whose sum is σ = 368775171117054. Its totient is φ = 170203925130936.

The previous prime is 255305887696403. The next prime is 255305887696441. The reversal of 255305887696413 is 314696788503552.

255305887696413 is a `hidden beast` number, since 2 + 5 + 5 + 3 + 0 + 58 + 8 + 76 + 96 + 413 = 666.

It can be written as a sum of positive squares in only one way, i.e., 211086087555204 + 44219800141209 = 14528802^2 + 6649797^2 .

It is not a de Polignac number, because 255305887696413 - 2⁸ = 255305887696157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255305887696403) 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 5 ways as a sum of consecutive naturals, for example, 14183660427570 + ... + 14183660427587.

It is an arithmetic number, because the mean of its divisors is an integer number (61462528519509).

It is a 1-persistent number, because it is pandigital, but 2⋅255305887696413 = 510611775392826 is not.

Almost surely, 2^{255305887696413} is an apocalyptic number.

It is an amenable number.

255305887696413 is a deficient number, since it is larger than the sum of its proper divisors (113469283420641).

255305887696413 is a wasteful number, since it uses less digits than its factorization.

255305887696413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28367320855163 (or 28367320855160 counting only the distinct ones).

The product of its (nonzero) digits is 1306368000, while the sum is 72.

The spelling of 255305887696413 in words is "two hundred fifty-five trillion, three hundred five billion, eight hundred eighty-seven million, six hundred ninety-six thousand, four hundred thirteen".