564820556433730 has 16 divisors (see below), whose sum is σ = 1041474001620024. Its totient is φ = 220417778120320.

The previous prime is 564820556433709. The next prime is 564820556433773. The reversal of 564820556433730 is 37334655028465.

It can be written as a sum of positive squares in 4 ways, for example, as 171065708065681 + 393754848368049 = 13079209^2 + 19843257^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 688805556217 + ... + 688805557036.

Almost surely, 2^{564820556433730} is an apocalyptic number.

564820556433730 is a deficient number, since it is larger than the sum of its proper divisors (476653445186294).

564820556433730 is a wasteful number, since it uses less digits than its factorization.

564820556433730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377611113301.

The product of its (nonzero) digits is 217728000, while the sum is 61.

The spelling of 564820556433730 in words is "five hundred sixty-four trillion, eight hundred twenty billion, five hundred fifty-six million, four hundred thirty-three thousand, seven hundred thirty".