473205005187281 has 4 divisors (see below), whose sum is σ = 473224623179364. Its totient is φ = 473185387195200.

The previous prime is 473205005187241. The next prime is 473205005187283. The reversal of 473205005187281 is 182781500502374.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 150047432878225 + 323157572309056 = 12249385^2 + 17976584^2 .

It is a cyclic number.

It is not a de Polignac number, because 473205005187281 - 2⁴⁶ = 402836261009617 is a prime.

It is a super-2 number, since 2×473205005187281² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (473205005187283) 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 in 3 ways as a sum of consecutive naturals, for example, 9808959860 + ... + 9809008101.

It is an arithmetic number, because the mean of its divisors is an integer number (118306155794841).

Almost surely, 2^{473205005187281} is an apocalyptic number.

It is an amenable number.

473205005187281 is a deficient number, since it is larger than the sum of its proper divisors (19617992083).

473205005187281 is a wasteful number, since it uses less digits than its factorization.

473205005187281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19617992082.

The product of its (nonzero) digits is 3763200, while the sum is 53.

The spelling of 473205005187281 in words is "four hundred seventy-three trillion, two hundred five billion, five million, one hundred eighty-seven thousand, two hundred eighty-one".