568936809841 has 3 divisors (see below), whose sum is σ = 568937564121. Its totient is φ = 568936055562.

The previous prime is 568936809811. The next prime is 568936809853. The reversal of 568936809841 is 148908639865.

The square root of 568936809841 is 754279.

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 is not a de Polignac number, because 568936809841 - 2¹³ = 568936801649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (568936809811) 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, 377140 + ... + 1131418.

It is an arithmetic number, because the mean of its divisors is an integer number (189645854707).

Almost surely, 2^568936809841 is an apocalyptic number.

568936809841 is the 754279-th square number.

568936809841 is the 377140-th centered octagonal number.

It is an amenable number.

568936809841 is a deficient number, since it is larger than the sum of its proper divisors (754280).

568936809841 is an frugal number, since it uses more digits than its factorization.

568936809841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1508558 (or 754279 counting only the distinct ones).

The product of its (nonzero) digits is 89579520, while the sum is 67.

The spelling of 568936809841 in words is "five hundred sixty-eight billion, nine hundred thirty-six million, eight hundred nine thousand, eight hundred forty-one".