8418208453 has 2 divisors, whose sum is σ = 8418208454. Its totient is φ = 8418208452.

The previous prime is 8418208451. The next prime is 8418208511. The reversal of 8418208453 is 3548028148.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6354959524 + 2063248929 = 79718^2 + 45423^2 .

It is a cyclic number.

It is not a de Polignac number, because 8418208453 - 2¹ = 8418208451 is a prime.

Together with 8418208451, 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 (8418208451) by changing a digit.

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 as a sum of consecutive naturals, namely, 4209104226 + 4209104227.

It is an arithmetic number, because the mean of its divisors is an integer number (4209104227).

Almost surely, 2^8418208453 is an apocalyptic number.

It is an amenable number.

8418208453 is a deficient number, since it is larger than the sum of its proper divisors (1).

8418208453 is an equidigital number, since it uses as much as digits as its factorization.

8418208453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 245760, while the sum is 43.

The square root of 8418208453 is about 91750.7953807486. The cubic root of 8418208453 is about 2034.2604635499.

The spelling of 8418208453 in words is "eight billion, four hundred eighteen million, two hundred eight thousand, four hundred fifty-three".