255012443016593 has 2 divisors, whose sum is σ = 255012443016594. Its totient is φ = 255012443016592.

The previous prime is 255012443016563. The next prime is 255012443016613. The reversal of 255012443016593 is 395610344210552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 181601956104529 + 73410486912064 = 13475977^2 + 8567992^2 .

It is a cyclic number.

It is not a de Polignac number, because 255012443016593 - 2²⁰ = 255012441968017 is a prime.

It is not a weakly prime, because it can be changed into another prime (255012443016563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127506221508296 + 127506221508297.

It is an arithmetic number, because the mean of its divisors is an integer number (127506221508297).

Almost surely, 2^{255012443016593} is an apocalyptic number.

It is an amenable number.

255012443016593 is a deficient number, since it is larger than the sum of its proper divisors (1).

255012443016593 is an equidigital number, since it uses as much as digits as its factorization.

255012443016593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888000, while the sum is 50.

The spelling of 255012443016593 in words is "two hundred fifty-five trillion, twelve billion, four hundred forty-three million, sixteen thousand, five hundred ninety-three".