57126745189 has 2 divisors, whose sum is σ = 57126745190. Its totient is φ = 57126745188.

The previous prime is 57126745187. The next prime is 57126745199. The reversal of 57126745189 is 98154762175.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50530544100 + 6596201089 = 224790^2 + 81217^2 .

It is a cyclic number.

It is not a de Polignac number, because 57126745189 - 2¹ = 57126745187 is a prime.

Together with 57126745187, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57126745187) 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, 28563372594 + 28563372595.

It is an arithmetic number, because the mean of its divisors is an integer number (28563372595).

Almost surely, 2^57126745189 is an apocalyptic number.

It is an amenable number.

57126745189 is a deficient number, since it is larger than the sum of its proper divisors (1).

57126745189 is an equidigital number, since it uses as much as digits as its factorization.

57126745189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4233600, while the sum is 55.

The spelling of 57126745189 in words is "fifty-seven billion, one hundred twenty-six million, seven hundred forty-five thousand, one hundred eighty-nine".