3813421105 has 16 divisors (see below), whose sum is σ = 4930894080. Its totient is φ = 2814475968.

The previous prime is 3813421103. The next prime is 3813421109. The reversal of 3813421105 is 5011243183.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3813421105 - 2¹ = 3813421103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3813421103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106524 + ... + 137746.

It is an arithmetic number, because the mean of its divisors is an integer number (308180880).

Almost surely, 2^3813421105 is an apocalyptic number.

It is an amenable number.

3813421105 is a deficient number, since it is larger than the sum of its proper divisors (1117472975).

3813421105 is a wasteful number, since it uses less digits than its factorization.

3813421105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33120.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 3813421105 is about 61752.9036159434. The cubic root of 3813421105 is about 1562.3257421026.

Adding to 3813421105 its reverse (5011243183), we get a palindrome (8824664288).

The spelling of 3813421105 in words is "three billion, eight hundred thirteen million, four hundred twenty-one thousand, one hundred five".