523057053333389 has 2 divisors, whose sum is σ = 523057053333390. Its totient is φ = 523057053333388.

The previous prime is 523057053333361. The next prime is 523057053333473. The reversal of 523057053333389 is 983333350750325.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 296575171364164 + 226481881969225 = 17221358^2 + 15049315^2 .

It is a cyclic number.

It is not a de Polignac number, because 523057053333389 - 2⁴⁴ = 505464867288973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523057053335389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261528526666694 + 261528526666695.

It is an arithmetic number, because the mean of its divisors is an integer number (261528526666695).

Almost surely, 2^{523057053333389} is an apocalyptic number.

It is an amenable number.

523057053333389 is a deficient number, since it is larger than the sum of its proper divisors (1).

523057053333389 is an equidigital number, since it uses as much as digits as its factorization.

523057053333389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 91854000, while the sum is 59.

The spelling of 523057053333389 in words is "five hundred twenty-three trillion, fifty-seven billion, fifty-three million, three hundred thirty-three thousand, three hundred eighty-nine".