83659485169 has 4 divisors (see below), whose sum is σ = 90094830196. Its totient is φ = 77224140144.

The previous prime is 83659485149. The next prime is 83659485187. The reversal of 83659485169 is 96158495638.

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 26782959025 + 56876526144 = 163655^2 + 238488^2 .

It is a cyclic number.

It is not a de Polignac number, because 83659485169 - 2¹³ = 83659476977 is a prime.

It is a super-3 number, since 3×83659485169³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83659485169.

It is not an unprimeable number, because it can be changed into a prime (83659485149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3217672494 + ... + 3217672519.

It is an arithmetic number, because the mean of its divisors is an integer number (22523707549).

Almost surely, 2^83659485169 is an apocalyptic number.

83659485169 is the 166993-rd hex number.

It is an amenable number.

83659485169 is a deficient number, since it is larger than the sum of its proper divisors (6435345027).

83659485169 is a wasteful number, since it uses less digits than its factorization.

83659485169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6435345026.

The product of its digits is 55987200, while the sum is 64.

The spelling of 83659485169 in words is "eighty-three billion, six hundred fifty-nine million, four hundred eighty-five thousand, one hundred sixty-nine".