605266864281 has 12 divisors (see below), whose sum is σ = 925702263252. Its totient is φ = 379775287296.

The previous prime is 605266864273. The next prime is 605266864303. The reversal of 605266864281 is 182468662506.

605266864281 is a `hidden beast` number, since 605 + 2 + 6 + 6 + 8 + 6 + 4 + 28 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 339258486681 + 266008377600 = 582459^2 + 515760^2 .

It is not a de Polignac number, because 605266864281 - 2³ = 605266864273 is a prime.

It is a super-2 number, since 2×605266864281² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (605266864201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1977996136 + ... + 1977996441.

It is an arithmetic number, because the mean of its divisors is an integer number (77141855271).

Almost surely, 2^605266864281 is an apocalyptic number.

It is an amenable number.

605266864281 is a deficient number, since it is larger than the sum of its proper divisors (320435398971).

605266864281 is a wasteful number, since it uses less digits than its factorization.

605266864281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3955992600 (or 3955992597 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 54.

The spelling of 605266864281 in words is "six hundred five billion, two hundred sixty-six million, eight hundred sixty-four thousand, two hundred eighty-one".