57382666361 has 2 divisors, whose sum is σ = 57382666362. Its totient is φ = 57382666360.

The previous prime is 57382666339. The next prime is 57382666373. The reversal of 57382666361 is 16366628375.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53148691600 + 4233974761 = 230540^2 + 65069^2 .

It is a cyclic number.

It is not a de Polignac number, because 57382666361 - 2¹⁰ = 57382665337 is a prime.

It is not a weakly prime, because it can be changed into another prime (57382666321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28691333180 + 28691333181.

It is an arithmetic number, because the mean of its divisors is an integer number (28691333181).

Almost surely, 2^57382666361 is an apocalyptic number.

It is an amenable number.

57382666361 is a deficient number, since it is larger than the sum of its proper divisors (1).

57382666361 is an equidigital number, since it uses as much as digits as its factorization.

57382666361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6531840, while the sum is 53.

The spelling of 57382666361 in words is "fifty-seven billion, three hundred eighty-two million, six hundred sixty-six thousand, three hundred sixty-one".