3836203786845 has 64 divisors (see below), whose sum is σ = 7222619888640. Its totient is φ = 1925215755264.

The previous prime is 3836203786841. The next prime is 3836203786847. The reversal of 3836203786845 is 5486873026383.

3836203786845 is a `hidden beast` number, since 383 + 6 + 203 + 7 + 8 + 6 + 8 + 45 = 666.

It is not a de Polignac number, because 3836203786845 - 2² = 3836203786841 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3836203786841) 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 63 ways as a sum of consecutive naturals, for example, 10802247 + ... + 11151723.

It is an arithmetic number, because the mean of its divisors is an integer number (112853435760).

Almost surely, 2^{3836203786845} is an apocalyptic number.

It is an amenable number.

3836203786845 is a deficient number, since it is larger than the sum of its proper divisors (3386416101795).

3836203786845 is a wasteful number, since it uses less digits than its factorization.

3836203786845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354291 (or 354285 counting only the distinct ones).

The product of its (nonzero) digits is 139345920, while the sum is 63.

The spelling of 3836203786845 in words is "three trillion, eight hundred thirty-six billion, two hundred three million, seven hundred eighty-six thousand, eight hundred forty-five".