561672234445 has 8 divisors (see below), whose sum is σ = 770293350144. Its totient is φ = 385146675024.

The previous prime is 561672234443. The next prime is 561672234467. The reversal of 561672234445 is 544432276165.

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 561672234445 - 2¹ = 561672234443 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561672234443) 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, 8023889029 + ... + 8023889098.

It is an arithmetic number, because the mean of its divisors is an integer number (96286668768).

Almost surely, 2^561672234445 is an apocalyptic number.

It is an amenable number.

561672234445 is a deficient number, since it is larger than the sum of its proper divisors (208621115699).

561672234445 is a wasteful number, since it uses less digits than its factorization.

561672234445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16047778139.

The product of its digits is 4838400, while the sum is 49.

The spelling of 561672234445 in words is "five hundred sixty-one billion, six hundred seventy-two million, two hundred thirty-four thousand, four hundred forty-five".