561923386684 has 24 divisors (see below), whose sum is σ = 1072932010416. Its totient is φ = 255379440000.

The previous prime is 561923386681. The next prime is 561923386709. The reversal of 561923386684 is 486683329165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561923386681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 723967 + ... + 1283734.

It is an arithmetic number, because the mean of its divisors is an integer number (44705500434).

Almost surely, 2^561923386684 is an apocalyptic number.

It is an amenable number.

561923386684 is a deficient number, since it is larger than the sum of its proper divisors (511008623732).

561923386684 is a wasteful number, since it uses less digits than its factorization.

561923386684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2014077 (or 2014075 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 61.

The spelling of 561923386684 in words is "five hundred sixty-one billion, nine hundred twenty-three million, three hundred eighty-six thousand, six hundred eighty-four".