466665562981 has 2 divisors, whose sum is σ = 466665562982. Its totient is φ = 466665562980.

The previous prime is 466665562949. The next prime is 466665563017. The reversal of 466665562981 is 189265566664.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 408309498081 + 58356064900 = 638991^2 + 241570^2 .

It is a cyclic number.

It is not a de Polignac number, because 466665562981 - 2⁵ = 466665562949 is a prime.

It is a super-3 number, since 3×466665562981³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (466665502981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 233332781490 + 233332781491.

It is an arithmetic number, because the mean of its divisors is an integer number (233332781491).

Almost surely, 2^466665562981 is an apocalyptic number.

It is an amenable number.

466665562981 is a deficient number, since it is larger than the sum of its proper divisors (1).

466665562981 is an equidigital number, since it uses as much as digits as its factorization.

466665562981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 111974400, while the sum is 64.

The spelling of 466665562981 in words is "four hundred sixty-six billion, six hundred sixty-five million, five hundred sixty-two thousand, nine hundred eighty-one".