564415405521 has 8 divisors (see below), whose sum is σ = 820967862624. Its totient is φ = 342069942720.

The previous prime is 564415405493. The next prime is 564415405579. The reversal of 564415405521 is 125504514465.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-564415405521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (564415405591) 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, 8551748536 + ... + 8551748601.

It is an arithmetic number, because the mean of its divisors is an integer number (102620982828).

Almost surely, 2^564415405521 is an apocalyptic number.

It is an amenable number.

564415405521 is a deficient number, since it is larger than the sum of its proper divisors (256552457103).

564415405521 is a wasteful number, since it uses less digits than its factorization.

564415405521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17103497151.

The product of its (nonzero) digits is 480000, while the sum is 42.

Adding to 564415405521 its reverse (125504514465), we get a palindrome (689919919986).

The spelling of 564415405521 in words is "five hundred sixty-four billion, four hundred fifteen million, four hundred five thousand, five hundred twenty-one".