8420027653 has 2 divisors, whose sum is σ = 8420027654. Its totient is φ = 8420027652.

The previous prime is 8420027639. The next prime is 8420027663. The reversal of 8420027653 is 3567200248.

8420027653 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7741008289 + 679019364 = 87983^2 + 26058^2 .

It is a cyclic number.

It is not a de Polignac number, because 8420027653 - 2⁵ = 8420027621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8420027663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4210013826 + 4210013827.

It is an arithmetic number, because the mean of its divisors is an integer number (4210013827).

Almost surely, 2^8420027653 is an apocalyptic number.

It is an amenable number.

8420027653 is a deficient number, since it is larger than the sum of its proper divisors (1).

8420027653 is an equidigital number, since it uses as much as digits as its factorization.

8420027653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 8420027653 is about 91760.7086557204. The cubic root of 8420027653 is about 2034.4069895837.

The spelling of 8420027653 in words is "eight billion, four hundred twenty million, twenty-seven thousand, six hundred fifty-three".