561444478367 has 8 divisors (see below), whose sum is σ = 576845497536. Its totient is φ = 546055398432.

The previous prime is 561444478333. The next prime is 561444478381. The reversal of 561444478367 is 763874444165.

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 561444478367 - 2¹² = 561444474271 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 (561444478967) 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, 2889428 + ... + 3077609.

It is an arithmetic number, because the mean of its divisors is an integer number (72105687192).

Almost surely, 2^561444478367 is an apocalyptic number.

561444478367 is a deficient number, since it is larger than the sum of its proper divisors (15401019169).

561444478367 is a wasteful number, since it uses less digits than its factorization.

561444478367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5969617.

The product of its digits is 54190080, while the sum is 59.

The spelling of 561444478367 in words is "five hundred sixty-one billion, four hundred forty-four million, four hundred seventy-eight thousand, three hundred sixty-seven".