982118667329257 has 2 divisors, whose sum is σ = 982118667329258. Its totient is φ = 982118667329256.

The previous prime is 982118667329227. The next prime is 982118667329357. The reversal of 982118667329257 is 752923766811289.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 949415640882921 + 32703026446336 = 30812589^2 + 5718656^2 .

It is a cyclic number.

It is not a de Polignac number, because 982118667329257 - 2³⁹ = 981568911515369 is a prime.

It is not a weakly prime, because it can be changed into another prime (982118667329227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 491059333664628 + 491059333664629.

It is an arithmetic number, because the mean of its divisors is an integer number (491059333664629).

Almost surely, 2^{982118667329257} is an apocalyptic number.

It is an amenable number.

982118667329257 is a deficient number, since it is larger than the sum of its proper divisors (1).

982118667329257 is an equidigital number, since it uses as much as digits as its factorization.

982118667329257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1097349120, while the sum is 76.

The spelling of 982118667329257 in words is "nine hundred eighty-two trillion, one hundred eighteen billion, six hundred sixty-seven million, three hundred twenty-nine thousand, two hundred fifty-seven".