3686600347481 has 8 divisors (see below), whose sum is σ = 3700528978440. Its totient is φ = 3672686176128.

The previous prime is 3686600347373. The next prime is 3686600347483. The reversal of 3686600347481 is 1847430066863.

It can be written as a sum of positive squares in 4 ways, for example, as 1587915015625 + 2098685331856 = 1260125^2 + 1448684^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3686600347481 is a prime.

It is a super-2 number, since 2×3686600347481² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3686600347483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3103886 + ... + 4123991.

It is an arithmetic number, because the mean of its divisors is an integer number (462566122305).

Almost surely, 2^{3686600347481} is an apocalyptic number.

It is an amenable number.

3686600347481 is a deficient number, since it is larger than the sum of its proper divisors (13928630959).

3686600347481 is a wasteful number, since it uses less digits than its factorization.

3686600347481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7229803.

The product of its (nonzero) digits is 13934592, while the sum is 56.

The spelling of 3686600347481 in words is "three trillion, six hundred eighty-six billion, six hundred million, three hundred forty-seven thousand, four hundred eighty-one".