564232521021 has 8 divisors (see below), whose sum is σ = 810180030240. Its totient is φ = 347220012912.

The previous prime is 564232520963. The next prime is 564232521029. The reversal of 564232521021 is 120125232465.

It is a happy number.

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

It is not a de Polignac number, because 564232521021 - 2²³ = 564224132413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564232521029) 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 7 ways as a sum of consecutive naturals, for example, 7233750231 + ... + 7233750308.

It is an arithmetic number, because the mean of its divisors is an integer number (101272503780).

Almost surely, 2^564232521021 is an apocalyptic number.

It is an amenable number.

564232521021 is a deficient number, since it is larger than the sum of its proper divisors (245947509219).

564232521021 is a wasteful number, since it uses less digits than its factorization.

564232521021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14467500555.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 564232521021 its reverse (120125232465), we get a palindrome (684357753486).

The spelling of 564232521021 in words is "five hundred sixty-four billion, two hundred thirty-two million, five hundred twenty-one thousand, twenty-one".