3986066099 has 4 divisors (see below), whose sum is σ = 4070876064. Its totient is φ = 3901256136.

The previous prime is 3986066093. The next prime is 3986066111. The reversal of 3986066099 is 9906606893.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9906606893 = 6779 ⋅1461367.

It is a cyclic number.

It is not a de Polignac number, because 3986066099 - 2⁸ = 3986065843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3986066093) 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, 42404912 + ... + 42405005.

It is an arithmetic number, because the mean of its divisors is an integer number (1017719016).

Almost surely, 2^3986066099 is an apocalyptic number.

3986066099 is a deficient number, since it is larger than the sum of its proper divisors (84809965).

3986066099 is an equidigital number, since it uses as much as digits as its factorization.

3986066099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84809964.

The product of its (nonzero) digits is 3779136, while the sum is 56.

The square root of 3986066099 is about 63135.2999438507. The cubic root of 3986066099 is about 1585.5556834493. Note that the first 3 decimals are identical.

The spelling of 3986066099 in words is "three billion, nine hundred eighty-six million, sixty-six thousand, ninety-nine".