57384436189 has 2 divisors, whose sum is σ = 57384436190. Its totient is φ = 57384436188.

The previous prime is 57384436181. The next prime is 57384436211. The reversal of 57384436189 is 98163448375.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56337396025 + 1047040164 = 237355^2 + 32358^2 .

It is a cyclic number.

It is not a de Polignac number, because 57384436189 - 2³ = 57384436181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57384436181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28692218094 + 28692218095.

It is an arithmetic number, because the mean of its divisors is an integer number (28692218095).

Almost surely, 2^57384436189 is an apocalyptic number.

It is an amenable number.

57384436189 is a deficient number, since it is larger than the sum of its proper divisors (1).

57384436189 is an equidigital number, since it uses as much as digits as its factorization.

57384436189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17418240, while the sum is 58.

The spelling of 57384436189 in words is "fifty-seven billion, three hundred eighty-four million, four hundred thirty-six thousand, one hundred eighty-nine".