563403121056636 has 48 divisors (see below), whose sum is σ = 1502410117447680. Its totient is φ = 160972128020160.

The previous prime is 563403121056593. The next prime is 563403121056719. The reversal of 563403121056636 is 636650121304365.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76248766 + ... + 83310746.

It is an arithmetic number, because the mean of its divisors is an integer number (31300210780160).

Almost surely, 2^{563403121056636} is an apocalyptic number.

It is an amenable number.

563403121056636 is an abundant number, since it is smaller than the sum of its proper divisors (939006996391044).

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

563403121056636 is a wasteful number, since it uses less digits than its factorization.

563403121056636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8011754 (or 8011752 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 51.

The spelling of 563403121056636 in words is "five hundred sixty-three trillion, four hundred three billion, one hundred twenty-one million, fifty-six thousand, six hundred thirty-six".