544536305617 has 4 divisors (see below), whose sum is σ = 544581331876. Its totient is φ = 544491279360.

The previous prime is 544536305597. The next prime is 544536305639. The reversal of 544536305617 is 716503635445.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 79461408321 + 465074897296 = 281889^2 + 681964^2 .

It is a cyclic number.

It is not a de Polignac number, because 544536305617 - 2¹⁹ = 544535781329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (544536305017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22494984 + ... + 22519177.

It is an arithmetic number, because the mean of its divisors is an integer number (136145332969).

Almost surely, 2^544536305617 is an apocalyptic number.

It is an amenable number.

544536305617 is a deficient number, since it is larger than the sum of its proper divisors (45026259).

544536305617 is a wasteful number, since it uses less digits than its factorization.

544536305617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45026258.

The product of its (nonzero) digits is 4536000, while the sum is 49.

The spelling of 544536305617 in words is "five hundred forty-four billion, five hundred thirty-six million, three hundred five thousand, six hundred seventeen".