568491643 has 8 divisors (see below), whose sum is σ = 584313840. Its totient is φ = 552693600.

The previous prime is 568491641. The next prime is 568491659. The reversal of 568491643 is 346194865.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 568491643 - 2¹ = 568491641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 568491593 and 568491602.

It is not an unprimeable number, because it can be changed into a prime (568491641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48393 + ... + 58981.

It is an arithmetic number, because the mean of its divisors is an integer number (73039230).

Almost surely, 2^568491643 is an apocalyptic number.

568491643 is a deficient number, since it is larger than the sum of its proper divisors (15822197).

568491643 is a wasteful number, since it uses less digits than its factorization.

568491643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12077.

The product of its digits is 622080, while the sum is 46.

The square root of 568491643 is about 23843.0627856406. The cubic root of 568491643 is about 828.4024251154.

The spelling of 568491643 in words is "five hundred sixty-eight million, four hundred ninety-one thousand, six hundred forty-three".