182685865009 has 2 divisors, whose sum is σ = 182685865010. Its totient is φ = 182685865008.

The previous prime is 182685865003. The next prime is 182685865039. The reversal of 182685865009 is 900568586281.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 150059390625 + 32626474384 = 387375^2 + 180628^2 .

It is a cyclic number.

It is not a de Polignac number, because 182685865009 - 2²¹ = 182683767857 is a prime.

It is not a weakly prime, because it can be changed into another prime (182685865003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91342932504 + 91342932505.

It is an arithmetic number, because the mean of its divisors is an integer number (91342932505).

Almost surely, 2^182685865009 is an apocalyptic number.

It is an amenable number.

182685865009 is a deficient number, since it is larger than the sum of its proper divisors (1).

182685865009 is an equidigital number, since it uses as much as digits as its factorization.

182685865009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8294400, while the sum is 58.

The spelling of 182685865009 in words is "one hundred eighty-two billion, six hundred eighty-five million, eight hundred sixty-five thousand, nine".