561976919223 has 16 divisors (see below), whose sum is σ = 757758693600. Its totient is φ = 370423623680.

The previous prime is 561976919221. The next prime is 561976919303. The reversal of 561976919223 is 322919679165.

561976919223 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 561976919223 - 2¹ = 561976919221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561976919221) 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, 7499863 + ... + 7574423.

It is an arithmetic number, because the mean of its divisors is an integer number (47359918350).

Almost surely, 2^561976919223 is an apocalyptic number.

561976919223 is a deficient number, since it is larger than the sum of its proper divisors (195781774377).

561976919223 is a wasteful number, since it uses less digits than its factorization.

561976919223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102882.

The product of its digits is 11022480, while the sum is 60.

The spelling of 561976919223 in words is "five hundred sixty-one billion, nine hundred seventy-six million, nine hundred nineteen thousand, two hundred twenty-three".