564747985512 has 384 divisors, whose sum is σ = 1739037081600. Its totient is φ = 170928921600.

The previous prime is 564747985463. The next prime is 564747985523. The reversal of 564747985512 is 215589747465.

It is a happy number.

564747985512 is a `hidden beast` number, since 5 + 6 + 4 + 7 + 4 + 79 + 8 + 551 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 564747985512.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 441553689 + ... + 441554967.

It is an arithmetic number, because the mean of its divisors is an integer number (4528742400).

Almost surely, 2^564747985512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 564747985512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (869518540800).

564747985512 is an abundant number, since it is smaller than the sum of its proper divisors (1174289096088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

564747985512 is a wasteful number, since it uses less digits than its factorization.

564747985512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779 (or 1763 counting only the distinct ones).

The product of its digits is 84672000, while the sum is 63.

The spelling of 564747985512 in words is "five hundred sixty-four billion, seven hundred forty-seven million, nine hundred eighty-five thousand, five hundred twelve".