8091633653 has 2 divisors, whose sum is σ = 8091633654. Its totient is φ = 8091633652.

The previous prime is 8091633631. The next prime is 8091633673. The reversal of 8091633653 is 3563361908.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5443193284 + 2648440369 = 73778^2 + 51463^2 .

It is a cyclic number.

It is not a de Polignac number, because 8091633653 - 2²⁸ = 7823198197 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8091633623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4045816826 + 4045816827.

It is an arithmetic number, because the mean of its divisors is an integer number (4045816827).

Almost surely, 2^8091633653 is an apocalyptic number.

It is an amenable number.

8091633653 is a deficient number, since it is larger than the sum of its proper divisors (1).

8091633653 is an equidigital number, since it uses as much as digits as its factorization.

8091633653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 349920, while the sum is 44.

The square root of 8091633653 is about 89953.5082862253. The cubic root of 8091633653 is about 2007.6071665734.

The spelling of 8091633653 in words is "eight billion, ninety-one million, six hundred thirty-three thousand, six hundred fifty-three".