563639816412 has 60 divisors (see below), whose sum is σ = 1484066408440. Its totient is φ = 186528269664.

The previous prime is 563639816357. The next prime is 563639816413. The reversal of 563639816412 is 214618936365.

563639816412 is a `hidden beast` number, since 56 + 36 + 398 + 164 + 12 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563639816413) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6212623 + ... + 6302694.

Almost surely, 2^563639816412 is an apocalyptic number.

It is an amenable number.

563639816412 is an abundant number, since it is smaller than the sum of its proper divisors (920426592028).

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

563639816412 is a wasteful number, since it uses less digits than its factorization.

563639816412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12515472 (or 12515461 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 54.

The spelling of 563639816412 in words is "five hundred sixty-three billion, six hundred thirty-nine million, eight hundred sixteen thousand, four hundred twelve".