3818382856823 has 8 divisors (see below), whose sum is σ = 3839534746320. Its totient is φ = 3797231581440.

The previous prime is 3818382856793. The next prime is 3818382856853. The reversal of 3818382856823 is 3286582838183.

It is an interprime number because it is at equal distance from previous prime (3818382856793) and next prime (3818382856853).

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

It is a cyclic number.

It is not a de Polignac number, because 3818382856823 - 2¹² = 3818382852727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3818382856823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3818382856853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18716936 + ... + 18919842.

It is an arithmetic number, because the mean of its divisors is an integer number (479941843290).

Almost surely, 2^{3818382856823} is an apocalyptic number.

3818382856823 is a deficient number, since it is larger than the sum of its proper divisors (21151889497).

3818382856823 is a wasteful number, since it uses less digits than its factorization.

3818382856823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307057.

The product of its digits is 106168320, while the sum is 65.

The spelling of 3818382856823 in words is "three trillion, eight hundred eighteen billion, three hundred eighty-two million, eight hundred fifty-six thousand, eight hundred twenty-three".