573286722649 has 3 divisors (see below), whose sum is σ = 573287479807. Its totient is φ = 573285965492.

The previous prime is 573286722641. The next prime is 573286722661. The reversal of 573286722649 is 946227682375.

The square root of 573286722649 is 757157.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 20542055625 + 552744667024 = 143325^2 + 743468^2 .

It is not a de Polignac number, because 573286722649 - 2³ = 573286722641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (573286722641) by changing a digit.

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 2 ways as a sum of consecutive naturals, for example, 378579 + ... + 1135735.

Almost surely, 2^573286722649 is an apocalyptic number.

573286722649 is the 757157-th square number.

573286722649 is the 378579-th centered octagonal number.

It is an amenable number.

573286722649 is a deficient number, since it is larger than the sum of its proper divisors (757158).

573286722649 is an frugal number, since it uses more digits than its factorization.

573286722649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514314 (or 757157 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 61.

The spelling of 573286722649 in words is "five hundred seventy-three billion, two hundred eighty-six million, seven hundred twenty-two thousand, six hundred forty-nine".