8210953489 has 2 divisors, whose sum is σ = 8210953490. Its totient is φ = 8210953488.

The previous prime is 8210953447. The next prime is 8210953511. The reversal of 8210953489 is 9843590128.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7256143489 + 954810000 = 85183^2 + 30900^2 .

It is a cyclic number.

It is not a de Polignac number, because 8210953489 - 2¹³ = 8210945297 is a prime.

It is a super-3 number, since 3×8210953489³ (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (8210953589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4105476744 + 4105476745.

It is an arithmetic number, because the mean of its divisors is an integer number (4105476745).

Almost surely, 2^8210953489 is an apocalyptic number.

It is an amenable number.

8210953489 is a deficient number, since it is larger than the sum of its proper divisors (1).

8210953489 is an equidigital number, since it uses as much as digits as its factorization.

8210953489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 49.

The square root of 8210953489 is about 90614.3117228178. The cubic root of 8210953489 is about 2017.4271633443.

The spelling of 8210953489 in words is "eight billion, two hundred ten million, nine hundred fifty-three thousand, four hundred eighty-nine".