13605004359 has 24 divisors (see below), whose sum is σ = 20692483760. Its totient is φ = 8589929472.

The previous prime is 13605004327. The next prime is 13605004373. The reversal of 13605004359 is 95340050631.

13605004359 is a `hidden beast` number, since 1 + 3 + 60 + 500 + 43 + 59 = 666.

It is not a de Polignac number, because 13605004359 - 2⁵ = 13605004327 is a prime.

It is a super-3 number, since 3×13605004359³ (a number of 31 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (13605004559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 627687 + ... + 648999.

Almost surely, 2^13605004359 is an apocalyptic number.

13605004359 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

13605004359 is a deficient number, since it is larger than the sum of its proper divisors (7087479401).

13605004359 is a wasteful number, since it uses less digits than its factorization.

13605004359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25071 (or 25068 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The spelling of 13605004359 in words is "thirteen billion, six hundred five million, four thousand, three hundred fifty-nine".