455989866605 has 24 divisors (see below), whose sum is σ = 685488067992. Its totient is φ = 288626550912.

The previous prime is 455989866571. The next prime is 455989866641. The reversal of 455989866605 is 506668989554.

It can be written as a sum of positive squares in 4 ways, for example, as 29879888164 + 426109978441 = 172858^2 + 652771^2 .

It is not a de Polignac number, because 455989866605 - 2¹⁰ = 455989865581 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71580782 + ... + 71587151.

It is an arithmetic number, because the mean of its divisors is an integer number (28562002833).

Almost surely, 2^455989866605 is an apocalyptic number.

It is an amenable number.

455989866605 is a deficient number, since it is larger than the sum of its proper divisors (229498201387).

455989866605 is a wasteful number, since it uses less digits than its factorization.

455989866605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143167965 (or 143167958 counting only the distinct ones).

The product of its (nonzero) digits is 559872000, while the sum is 71.

The spelling of 455989866605 in words is "four hundred fifty-five billion, nine hundred eighty-nine million, eight hundred sixty-six thousand, six hundred five".