3686042923 has 4 divisors (see below), whose sum is σ = 3690199440. Its totient is φ = 3681886408.

The previous prime is 3686042917. The next prime is 3686042933. The reversal of 3686042923 is 3292406863.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3686042923 - 2⁵ = 3686042891 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3686042923.

It is not an unprimeable number, because it can be changed into a prime (3686042903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2076928 + ... + 2078701.

It is an arithmetic number, because the mean of its divisors is an integer number (922549860).

Almost surely, 2^3686042923 is an apocalyptic number.

3686042923 is a deficient number, since it is larger than the sum of its proper divisors (4156517).

3686042923 is an equidigital number, since it uses as much as digits as its factorization.

3686042923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4156516.

The product of its (nonzero) digits is 373248, while the sum is 43.

The square root of 3686042923 is about 60712.7904399065. The cubic root of 3686042923 is about 1544.7331361467.

The spelling of 3686042923 in words is "three billion, six hundred eighty-six million, forty-two thousand, nine hundred twenty-three".