250581816581093 has 2 divisors, whose sum is σ = 250581816581094. Its totient is φ = 250581816581092.

The previous prime is 250581816581027. The next prime is 250581816581099. The reversal of 250581816581093 is 390185618185052.

250581816581093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146333489598244 + 104248326982849 = 12096838^2 + 10210207^2 .

It is a cyclic number.

It is not a de Polignac number, because 250581816581093 - 2⁴⁰ = 249482304953317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (250581816581099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125290908290546 + 125290908290547.

It is an arithmetic number, because the mean of its divisors is an integer number (125290908290547).

Almost surely, 2^{250581816581093} is an apocalyptic number.

It is an amenable number.

250581816581093 is a deficient number, since it is larger than the sum of its proper divisors (1).

250581816581093 is an equidigital number, since it uses as much as digits as its factorization.

250581816581093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736000, while the sum is 62.

The spelling of 250581816581093 in words is "two hundred fifty trillion, five hundred eighty-one billion, eight hundred sixteen million, five hundred eighty-one thousand, ninety-three".