561923889803 has 8 divisors (see below), whose sum is σ = 595482049440. Its totient is φ = 528421709440.

The previous prime is 561923889797. The next prime is 561923889817. The reversal of 561923889803 is 308988329165.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 561923889803 - 2¹⁴ = 561923873419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (561923889823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13974143 + ... + 14014296.

It is an arithmetic number, because the mean of its divisors is an integer number (74435256180).

Almost surely, 2^561923889803 is an apocalyptic number.

561923889803 is a deficient number, since it is larger than the sum of its proper divisors (33558159637).

561923889803 is a wasteful number, since it uses less digits than its factorization.

561923889803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27989637.

The product of its (nonzero) digits is 22394880, while the sum is 62.

The spelling of 561923889803 in words is "five hundred sixty-one billion, nine hundred twenty-three million, eight hundred eighty-nine thousand, eight hundred three".