8214393853 has 2 divisors, whose sum is σ = 8214393854. Its totient is φ = 8214393852.

The previous prime is 8214393841. The next prime is 8214393877. The reversal of 8214393853 is 3583934128.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6838132249 + 1376261604 = 82693^2 + 37098^2 .

It is a cyclic number.

It is not a de Polignac number, because 8214393853 - 2⁵ = 8214393821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8214393833) 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 as a sum of consecutive naturals, namely, 4107196926 + 4107196927.

It is an arithmetic number, because the mean of its divisors is an integer number (4107196927).

Almost surely, 2^8214393853 is an apocalyptic number.

It is an amenable number.

8214393853 is a deficient number, since it is larger than the sum of its proper divisors (1).

8214393853 is an equidigital number, since it uses as much as digits as its factorization.

8214393853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 46.

The square root of 8214393853 is about 90633.2932922555. The cubic root of 8214393853 is about 2017.7088892383.

The spelling of 8214393853 in words is "eight billion, two hundred fourteen million, three hundred ninety-three thousand, eight hundred fifty-three".