57756334409 has 2 divisors, whose sum is σ = 57756334410. Its totient is φ = 57756334408.

The previous prime is 57756334393. The next prime is 57756334411. The reversal of 57756334409 is 90443365775.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43210768384 + 14545566025 = 207872^2 + 120605^2 .

It is a cyclic number.

It is not a de Polignac number, because 57756334409 - 2⁴ = 57756334393 is a prime.

Together with 57756334411, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57756330409) 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, 28878167204 + 28878167205.

It is an arithmetic number, because the mean of its divisors is an integer number (28878167205).

Almost surely, 2^57756334409 is an apocalyptic number.

It is an amenable number.

57756334409 is a deficient number, since it is larger than the sum of its proper divisors (1).

57756334409 is an equidigital number, since it uses as much as digits as its factorization.

57756334409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9525600, while the sum is 53.

The spelling of 57756334409 in words is "fifty-seven billion, seven hundred fifty-six million, three hundred thirty-four thousand, four hundred nine".