218982074030077 has 2 divisors, whose sum is σ = 218982074030078. Its totient is φ = 218982074030076.

The previous prime is 218982074030039. The next prime is 218982074030123. The reversal of 218982074030077 is 770030470289812.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 168919175665881 + 50062898364196 = 12996891^2 + 7075514^2 .

It is a cyclic number.

It is not a de Polignac number, because 218982074030077 - 2³¹ = 218979926546429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (218982074030017) 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, 109491037015038 + 109491037015039.

It is an arithmetic number, because the mean of its divisors is an integer number (109491037015039).

Almost surely, 2^{218982074030077} is an apocalyptic number.

It is an amenable number.

218982074030077 is a deficient number, since it is larger than the sum of its proper divisors (1).

218982074030077 is an equidigital number, since it uses as much as digits as its factorization.

218982074030077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9483264, while the sum is 58.

The spelling of 218982074030077 in words is "two hundred eighteen trillion, nine hundred eighty-two billion, seventy-four million, thirty thousand, seventy-seven".