8210953447 has 2 divisors, whose sum is σ = 8210953448. Its totient is φ = 8210953446.

The previous prime is 8210953411. The next prime is 8210953489. The reversal of 8210953447 is 7443590128.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8210953447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8210953147) 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, 4105476723 + 4105476724.

It is an arithmetic number, because the mean of its divisors is an integer number (4105476724).

Almost surely, 2^8210953447 is an apocalyptic number.

8210953447 is a deficient number, since it is larger than the sum of its proper divisors (1).

8210953447 is an equidigital number, since it uses as much as digits as its factorization.

8210953447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 8210953447 is about 90614.3114910664. The cubic root of 8210953447 is about 2017.4271599046.

The spelling of 8210953447 in words is "eight billion, two hundred ten million, nine hundred fifty-three thousand, four hundred forty-seven".