563421341600 has 144 divisors (see below), whose sum is σ = 1481728163328. Its totient is φ = 207966243840.

The previous prime is 563421341579. The next prime is 563421341737. The reversal of 563421341600 is 6143124365.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42914237 + ... + 42927363.

It is an arithmetic number, because the mean of its divisors is an integer number (10289778912).

Almost surely, 2^563421341600 is an apocalyptic number.

563421341600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 563421341600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (740864081664).

563421341600 is an abundant number, since it is smaller than the sum of its proper divisors (918306821728).

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

563421341600 is a wasteful number, since it uses less digits than its factorization.

563421341600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17287 (or 17274 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 563421341600 its reverse (6143124365), we get a palindrome (569564465965).

The spelling of 563421341600 in words is "five hundred sixty-three billion, four hundred twenty-one million, three hundred forty-one thousand, six hundred".