3813788435085 has 24 divisors (see below), whose sum is σ = 6611201419680. Its totient is φ = 2033825176032.

The previous prime is 3813788435057. The next prime is 3813788435087. The reversal of 3813788435085 is 5805348873183.

3813788435085 is a `hidden beast` number, since 3 + 8 + 1 + 3 + 7 + 88 + 43 + 508 + 5 = 666.

It is not a de Polignac number, because 3813788435085 - 2¹⁰ = 3813788434061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3813788435087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3594795 + ... + 4533224.

It is an arithmetic number, because the mean of its divisors is an integer number (275466725820).

Almost surely, 2^{3813788435085} is an apocalyptic number.

It is an amenable number.

3813788435085 is a deficient number, since it is larger than the sum of its proper divisors (2797412984595).

3813788435085 is a wasteful number, since it uses less digits than its factorization.

3813788435085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8138457 (or 8138454 counting only the distinct ones).

The product of its (nonzero) digits is 77414400, while the sum is 63.

The spelling of 3813788435085 in words is "three trillion, eight hundred thirteen billion, seven hundred eighty-eight million, four hundred thirty-five thousand, eighty-five".