3686991413 has 8 divisors (see below), whose sum is σ = 4214116032. Its totient is φ = 3159969696.

The previous prime is 3686991409. The next prime is 3686991491. The reversal of 3686991413 is 3141996863.

3686991413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 3686991413 - 2² = 3686991409 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3686991493) 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, 80081 + ... + 117417.

It is an arithmetic number, because the mean of its divisors is an integer number (526764504).

Almost surely, 2^3686991413 is an apocalyptic number.

It is an amenable number.

3686991413 is a deficient number, since it is larger than the sum of its proper divisors (527124619).

3686991413 is a wasteful number, since it uses less digits than its factorization.

3686991413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51451.

The product of its digits is 839808, while the sum is 50.

The square root of 3686991413 is about 60720.6012239668. The cubic root of 3686991413 is about 1544.8656213355.

The spelling of 3686991413 in words is "three billion, six hundred eighty-six million, nine hundred ninety-one thousand, four hundred thirteen".