57643171373 has 2 divisors, whose sum is σ = 57643171374. Its totient is φ = 57643171372.

The previous prime is 57643171273. The next prime is 57643171409. The reversal of 57643171373 is 37317134675.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38683809124 + 18959362249 = 196682^2 + 137693^2 .

It is a cyclic number.

It is not a de Polignac number, because 57643171373 - 2¹² = 57643167277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57643171273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28821585686 + 28821585687.

It is an arithmetic number, because the mean of its divisors is an integer number (28821585687).

Almost surely, 2^57643171373 is an apocalyptic number.

It is an amenable number.

57643171373 is a deficient number, since it is larger than the sum of its proper divisors (1).

57643171373 is an equidigital number, since it uses as much as digits as its factorization.

57643171373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1111320, while the sum is 47.

The spelling of 57643171373 in words is "fifty-seven billion, six hundred forty-three million, one hundred seventy-one thousand, three hundred seventy-three".