3818383640202 has 8 divisors (see below), whose sum is σ = 7636767280416. Its totient is φ = 1272794546732.

The previous prime is 3818383640147. The next prime is 3818383640213. The reversal of 3818383640202 is 2020463838183.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

3818383640202 is an admirable number.

It is an unprimeable number.

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, 318198636678 + ... + 318198636689.

It is an arithmetic number, because the mean of its divisors is an integer number (954595910052).

Almost surely, 2^{3818383640202} is an apocalyptic number.

3818383640202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3818383640202 is a wasteful number, since it uses less digits than its factorization.

3818383640202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636397273372.

The product of its (nonzero) digits is 1327104, while the sum is 48.

The spelling of 3818383640202 in words is "three trillion, eight hundred eighteen billion, three hundred eighty-three million, six hundred forty thousand, two hundred two".