6855412838383 has 2 divisors, whose sum is σ = 6855412838384. Its totient is φ = 6855412838382.

The previous prime is 6855412838381. The next prime is 6855412838419. The reversal of 6855412838383 is 3838382145586.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6855412838383 - 2¹ = 6855412838381 is a prime.

Together with 6855412838381, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6855412838381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3427706419191 + 3427706419192.

It is an arithmetic number, because the mean of its divisors is an integer number (3427706419192).

Almost surely, 2^{6855412838383} is an apocalyptic number.

6855412838383 is a deficient number, since it is larger than the sum of its proper divisors (1).

6855412838383 is an equidigital number, since it uses as much as digits as its factorization.

6855412838383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 132710400, while the sum is 64.

The spelling of 6855412838383 in words is "six trillion, eight hundred fifty-five billion, four hundred twelve million, eight hundred thirty-eight thousand, three hundred eighty-three".