3816645113 has 4 divisors (see below), whose sum is σ = 3819223668. Its totient is φ = 3814066560.

The previous prime is 3816645071. The next prime is 3816645143. The reversal of 3816645113 is 3115466183.

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

It can be written as a sum of positive squares in 2 ways, for example, as 713263849 + 3103381264 = 26707^2 + 55708^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3816645113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3816645143) 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, 1287056 + ... + 1290017.

It is an arithmetic number, because the mean of its divisors is an integer number (954805917).

Almost surely, 2^3816645113 is an apocalyptic number.

It is an amenable number.

3816645113 is a deficient number, since it is larger than the sum of its proper divisors (2578555).

3816645113 is a wasteful number, since it uses less digits than its factorization.

3816645113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2578554.

The product of its digits is 51840, while the sum is 38.

The square root of 3816645113 is about 61779.0022013953. The cubic root of 3816645113 is about 1562.7659008423.

The spelling of 3816645113 in words is "three billion, eight hundred sixteen million, six hundred forty-five thousand, one hundred thirteen".