3813320911 has 4 divisors (see below), whose sum is σ = 3814986232. Its totient is φ = 3811655592.

The previous prime is 3813320893. The next prime is 3813320947. The reversal of 3813320911 is 1190233183.

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 3813320911 - 2¹⁷ = 3813189839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3813320971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 829221 + ... + 833806.

It is an arithmetic number, because the mean of its divisors is an integer number (953746558).

Almost surely, 2^3813320911 is an apocalyptic number.

3813320911 is a deficient number, since it is larger than the sum of its proper divisors (1665321).

3813320911 is a wasteful number, since it uses less digits than its factorization.

3813320911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665320.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 3813320911 is about 61752.0923613119. The cubic root of 3813320911 is about 1562.3120591102.

The spelling of 3813320911 in words is "three billion, eight hundred thirteen million, three hundred twenty thousand, nine hundred eleven".