572664324517 has 4 divisors (see below), whose sum is σ = 592411370220. Its totient is φ = 552917278816.

The previous prime is 572664324503. The next prime is 572664324521. The reversal of 572664324517 is 715423466275.

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 361382524801 + 211281799716 = 601151^2 + 459654^2 .

It is a cyclic number.

It is not a de Polignac number, because 572664324517 - 2¹⁹ = 572663800229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (572664394517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9873522808 + ... + 9873522865.

It is an arithmetic number, because the mean of its divisors is an integer number (148102842555).

Almost surely, 2^572664324517 is an apocalyptic number.

It is an amenable number.

572664324517 is a deficient number, since it is larger than the sum of its proper divisors (19747045703).

572664324517 is a wasteful number, since it uses less digits than its factorization.

572664324517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19747045702.

The product of its digits is 8467200, while the sum is 52.

The spelling of 572664324517 in words is "five hundred seventy-two billion, six hundred sixty-four million, three hundred twenty-four thousand, five hundred seventeen".