57145872293 has 2 divisors, whose sum is σ = 57145872294. Its totient is φ = 57145872292.

The previous prime is 57145872233. The next prime is 57145872299. The reversal of 57145872293 is 39227854175.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56835513604 + 310358689 = 238402^2 + 17617^2 .

It is a cyclic number.

It is not a de Polignac number, because 57145872293 - 2⁶ = 57145872229 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57145872299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28572936146 + 28572936147.

It is an arithmetic number, because the mean of its divisors is an integer number (28572936147).

Almost surely, 2^57145872293 is an apocalyptic number.

It is an amenable number.

57145872293 is a deficient number, since it is larger than the sum of its proper divisors (1).

57145872293 is an equidigital number, since it uses as much as digits as its factorization.

57145872293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4233600, while the sum is 53.

The spelling of 57145872293 in words is "fifty-seven billion, one hundred forty-five million, eight hundred seventy-two thousand, two hundred ninety-three".