57085931941 has 2 divisors, whose sum is σ = 57085931942. Its totient is φ = 57085931940.

The previous prime is 57085931887. The next prime is 57085932031. The reversal of 57085931941 is 14913958075.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56332649025 + 753282916 = 237345^2 + 27446^2 .

It is a cyclic number.

It is not a de Polignac number, because 57085931941 - 2²¹ = 57083834789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57085931641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28542965970 + 28542965971.

It is an arithmetic number, because the mean of its divisors is an integer number (28542965971).

Almost surely, 2^57085931941 is an apocalyptic number.

It is an amenable number.

57085931941 is a deficient number, since it is larger than the sum of its proper divisors (1).

57085931941 is an equidigital number, since it uses as much as digits as its factorization.

57085931941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1360800, while the sum is 52.

The spelling of 57085931941 in words is "fifty-seven billion, eighty-five million, nine hundred thirty-one thousand, nine hundred forty-one".