828214355869 has 2 divisors, whose sum is σ = 828214355870. Its totient is φ = 828214355868.

The previous prime is 828214355867. The next prime is 828214355873. The reversal of 828214355869 is 968553412828.

828214355869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 825666630244 + 2547725625 = 908662^2 + 50475^2 .

It is a cyclic number.

It is not a de Polignac number, because 828214355869 - 2¹ = 828214355867 is a prime.

It is a super-3 number, since 3×828214355869³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 828214355867, 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 (828214355867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 414107177934 + 414107177935.

It is an arithmetic number, because the mean of its divisors is an integer number (414107177935).

Almost surely, 2^828214355869 is an apocalyptic number.

It is an amenable number.

828214355869 is a deficient number, since it is larger than the sum of its proper divisors (1).

828214355869 is an equidigital number, since it uses as much as digits as its factorization.

828214355869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33177600, while the sum is 61.

The spelling of 828214355869 in words is "eight hundred twenty-eight billion, two hundred fourteen million, three hundred fifty-five thousand, eight hundred sixty-nine".