255355434002573 has 2 divisors, whose sum is σ = 255355434002574. Its totient is φ = 255355434002572.

The previous prime is 255355434002491. The next prime is 255355434002587. The reversal of 255355434002573 is 375200434553552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 242798318868169 + 12557115134404 = 15581987^2 + 3543602^2 .

It is a cyclic number.

It is not a de Polignac number, because 255355434002573 - 2¹⁴ = 255355433986189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255355434002173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127677717001286 + 127677717001287.

It is an arithmetic number, because the mean of its divisors is an integer number (127677717001287).

Almost surely, 2^{255355434002573} is an apocalyptic number.

It is an amenable number.

255355434002573 is a deficient number, since it is larger than the sum of its proper divisors (1).

255355434002573 is an equidigital number, since it uses as much as digits as its factorization.

255355434002573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800000, while the sum is 53.

The spelling of 255355434002573 in words is "two hundred fifty-five trillion, three hundred fifty-five billion, four hundred thirty-four million, two thousand, five hundred seventy-three".