563443276464 has 120 divisors (see below), whose sum is σ = 1615331707392. Its totient is φ = 183280527360.

The previous prime is 563443276463. The next prime is 563443276469. The reversal of 563443276464 is 464672344365.

563443276464 is a `hidden beast` number, since 5 + 63 + 443 + 27 + 64 + 64 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 563443276464.

It is not an unprimeable number, because it can be changed into a prime (563443276463) 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 23 ways as a sum of consecutive naturals, for example, 863032 + ... + 1368104.

Almost surely, 2^563443276464 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 563443276464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (807665853696).

563443276464 is an abundant number, since it is smaller than the sum of its proper divisors (1051888430928).

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

563443276464 is a wasteful number, since it uses less digits than its factorization.

563443276464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505275 (or 505266 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 54.

The spelling of 563443276464 in words is "five hundred sixty-three billion, four hundred forty-three million, two hundred seventy-six thousand, four hundred sixty-four".