3686585139925 has 12 divisors (see below), whose sum is σ = 4571612968356. Its totient is φ = 2949108502400.

The previous prime is 3686585139863. The next prime is 3686585139983. The reversal of 3686585139925 is 5299315856863.

It can be written as a sum of positive squares in 6 ways, for example, as 18433221361 + 3668151918564 = 135769^2 + 1915242^2 .

It is not a de Polignac number, because 3686585139925 - 2¹¹ = 3686585137877 is a prime.

It is a super-3 number, since 3×3686585139925³ (a number of 39 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3517954 + ... + 4444003.

It is an arithmetic number, because the mean of its divisors is an integer number (380967747363).

Almost surely, 2^{3686585139925} is an apocalyptic number.

It is an amenable number.

3686585139925 is a deficient number, since it is larger than the sum of its proper divisors (885027828431).

3686585139925 is a wasteful number, since it uses less digits than its factorization.

3686585139925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7980488 (or 7980483 counting only the distinct ones).

The product of its digits is 419904000, while the sum is 70.

The spelling of 3686585139925 in words is "three trillion, six hundred eighty-six billion, five hundred eighty-five million, one hundred thirty-nine thousand, nine hundred twenty-five".