563440121066203 has 16 divisors (see below), whose sum is σ = 565370143624000. Its totient is φ = 561513564444672.

The previous prime is 563440121066191. The next prime is 563440121066243. The reversal of 563440121066203 is 302660121044365.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 563440121066203 - 2⁴⁹ = 490167644891 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 563440121066203.

It is not an unprimeable number, because it can be changed into a prime (563440121066243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1226857003 + ... + 1227316171.

It is an arithmetic number, because the mean of its divisors is an integer number (35335633976500).

Almost surely, 2^{563440121066203} is an apocalyptic number.

563440121066203 is a deficient number, since it is larger than the sum of its proper divisors (1930022557797).

563440121066203 is a wasteful number, since it uses less digits than its factorization.

563440121066203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462934.

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 563440121066203 in words is "five hundred sixty-three trillion, four hundred forty billion, one hundred twenty-one million, sixty-six thousand, two hundred three".