255973333249791 has 12 divisors (see below), whose sum is σ = 369749459032200. Its totient is φ = 170644181190000.

The previous prime is 255973333249769. The next prime is 255973333249831. The reversal of 255973333249791 is 197942333379552.

255973333249791 is a `hidden beast` number, since 2 + 5 + 5 + 9 + 73 + 33 + 32 + 497 + 9 + 1 = 666.

It is not a de Polignac number, because 255973333249791 - 2¹¹ = 255973333247743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255973333249741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 391959216 + ... + 392611733.

It is an arithmetic number, because the mean of its divisors is an integer number (30812454919350).

Almost surely, 2^{255973333249791} is an apocalyptic number.

255973333249791 is a deficient number, since it is larger than the sum of its proper divisors (113776125782409).

255973333249791 is a wasteful number, since it uses less digits than its factorization.

255973333249791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784607206 (or 784607203 counting only the distinct ones).

The product of its digits is 1157360400, while the sum is 72.

The spelling of 255973333249791 in words is "two hundred fifty-five trillion, nine hundred seventy-three billion, three hundred thirty-three million, two hundred forty-nine thousand, seven hundred ninety-one".