57171464197 has 2 divisors, whose sum is σ = 57171464198. Its totient is φ = 57171464196.

The previous prime is 57171464167. The next prime is 57171464213. The reversal of 57171464197 is 79146417175.

57171464197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47922025921 + 9249438276 = 218911^2 + 96174^2 .

It is a cyclic number.

It is not a de Polignac number, because 57171464197 - 2³⁵ = 22811725829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57171464167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28585732098 + 28585732099.

It is an arithmetic number, because the mean of its divisors is an integer number (28585732099).

Almost surely, 2^57171464197 is an apocalyptic number.

It is an amenable number.

57171464197 is a deficient number, since it is larger than the sum of its proper divisors (1).

57171464197 is an equidigital number, since it uses as much as digits as its factorization.

57171464197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1481760, while the sum is 52.

The spelling of 57171464197 in words is "fifty-seven billion, one hundred seventy-one million, four hundred sixty-four thousand, one hundred ninety-seven".