3686724011005 has 32 divisors (see below), whose sum is σ = 5061137342976. Its totient is φ = 2525510928384.

The previous prime is 3686724010993. The next prime is 3686724011063. The reversal of 3686724011005 is 5001104276863.

3686724011005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3686724011005 - 2¹³ = 3686724002813 is a prime.

It is a super-2 number, since 2×3686724011005² (a number of 26 digits) contains 22 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 31 ways as a sum of consecutive naturals, for example, 316261137 + ... + 316272793.

It is an arithmetic number, because the mean of its divisors is an integer number (158160541968).

Almost surely, 2^{3686724011005} is an apocalyptic number.

3686724011005 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3686724011005 is a deficient number, since it is larger than the sum of its proper divisors (1374413331971).

3686724011005 is a wasteful number, since it uses less digits than its factorization.

3686724011005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19933.

The product of its (nonzero) digits is 241920, while the sum is 43.

Adding to 3686724011005 its reverse (5001104276863), we get a palindrome (8687828287868).

The spelling of 3686724011005 in words is "three trillion, six hundred eighty-six billion, seven hundred twenty-four million, eleven thousand, five".