3816731911 has 4 divisors (see below), whose sum is σ = 3817121112. Its totient is φ = 3816342712.

The previous prime is 3816731899. The next prime is 3816731939. The reversal of 3816731911 is 1191376183.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1191376183 = 569 ⋅2093807.

It is a cyclic number.

It is not a de Polignac number, because 3816731911 - 2⁷ = 3816731783 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3816731111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179500 + ... + 199633.

It is an arithmetic number, because the mean of its divisors is an integer number (954280278).

Almost surely, 2^3816731911 is an apocalyptic number.

3816731911 is a deficient number, since it is larger than the sum of its proper divisors (389201).

3816731911 is a wasteful number, since it uses less digits than its factorization.

3816731911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389200.

The product of its digits is 27216, while the sum is 40.

The square root of 3816731911 is about 61779.7046852767. The cubic root of 3816731911 is about 1562.7777475403. Note that the first 4 decimals are identical.

The spelling of 3816731911 in words is "three billion, eight hundred sixteen million, seven hundred thirty-one thousand, nine hundred eleven".