57180473813 has 2 divisors, whose sum is σ = 57180473814. Its totient is φ = 57180473812.

The previous prime is 57180473797. The next prime is 57180473887. The reversal of 57180473813 is 31837408175.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55029183889 + 2151289924 = 234583^2 + 46382^2 .

It is a cyclic number.

It is not a de Polignac number, because 57180473813 - 2⁴ = 57180473797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57180478813) 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, 28590236906 + 28590236907.

It is an arithmetic number, because the mean of its divisors is an integer number (28590236907).

Almost surely, 2^57180473813 is an apocalyptic number.

It is an amenable number.

57180473813 is a deficient number, since it is larger than the sum of its proper divisors (1).

57180473813 is an equidigital number, since it uses as much as digits as its factorization.

57180473813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 564480, while the sum is 47.

The spelling of 57180473813 in words is "fifty-seven billion, one hundred eighty million, four hundred seventy-three thousand, eight hundred thirteen".