57446386189 has 2 divisors, whose sum is σ = 57446386190. Its totient is φ = 57446386188.

The previous prime is 57446386177. The next prime is 57446386229. The reversal of 57446386189 is 98168364475.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35916693289 + 21529692900 = 189517^2 + 146730^2 .

It is a cyclic number.

It is not a de Polignac number, because 57446386189 - 2¹¹ = 57446384141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57446386159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28723193094 + 28723193095.

It is an arithmetic number, because the mean of its divisors is an integer number (28723193095).

Almost surely, 2^57446386189 is an apocalyptic number.

It is an amenable number.

57446386189 is a deficient number, since it is larger than the sum of its proper divisors (1).

57446386189 is an equidigital number, since it uses as much as digits as its factorization.

57446386189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34836480, while the sum is 61.

The spelling of 57446386189 in words is "fifty-seven billion, four hundred forty-six million, three hundred eighty-six thousand, one hundred eighty-nine".