65544079317 has 16 divisors (see below), whose sum is σ = 91623971328. Its totient is φ = 41598128880.

The previous prime is 65544079261. The next prime is 65544079357. The reversal of 65544079317 is 71397044556.

It is not a de Polignac number, because 65544079317 - 2¹⁵ = 65544046549 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65544079317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65544079357) 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, 2236423 + ... + 2265540.

It is an arithmetic number, because the mean of its divisors is an integer number (5726498208).

Almost surely, 2^65544079317 is an apocalyptic number.

It is an amenable number.

65544079317 is a deficient number, since it is larger than the sum of its proper divisors (26079892011).

65544079317 is a wasteful number, since it uses less digits than its factorization.

65544079317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4502200.

The product of its (nonzero) digits is 3175200, while the sum is 51.

The spelling of 65544079317 in words is "sixty-five billion, five hundred forty-four million, seventy-nine thousand, three hundred seventeen".