568405645 has 8 divisors (see below), whose sum is σ = 687458304. Its totient is φ = 451143504.

The previous prime is 568405637. The next prime is 568405657. The reversal of 568405645 is 546504865.

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 568405645 - 2³ = 568405637 is a prime.

It is a super-3 number, since 3×568405645³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 446929 + ... + 448198.

It is an arithmetic number, because the mean of its divisors is an integer number (85932288).

Almost surely, 2^568405645 is an apocalyptic number.

It is an amenable number.

568405645 is a deficient number, since it is larger than the sum of its proper divisors (119052659).

568405645 is a wasteful number, since it uses less digits than its factorization.

568405645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895259.

The product of its (nonzero) digits is 576000, while the sum is 43.

The square root of 568405645 is about 23841.2592997937. The cubic root of 568405645 is about 828.3606510951.

The spelling of 568405645 in words is "five hundred sixty-eight million, four hundred five thousand, six hundred forty-five".