57456669293 has 2 divisors, whose sum is σ = 57456669294. Its totient is φ = 57456669292.

The previous prime is 57456669227. The next prime is 57456669397. The reversal of 57456669293 is 39296665475.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42899522884 + 14557146409 = 207122^2 + 120653^2 .

It is a cyclic number.

It is not a de Polignac number, because 57456669293 - 2¹⁴ = 57456652909 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 (57456669593) 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, 28728334646 + 28728334647.

It is an arithmetic number, because the mean of its divisors is an integer number (28728334647).

Almost surely, 2^57456669293 is an apocalyptic number.

It is an amenable number.

57456669293 is a deficient number, since it is larger than the sum of its proper divisors (1).

57456669293 is an equidigital number, since it uses as much as digits as its factorization.

57456669293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73483200, while the sum is 62.

The spelling of 57456669293 in words is "fifty-seven billion, four hundred fifty-six million, six hundred sixty-nine thousand, two hundred ninety-three".