8853488621 has 2 divisors, whose sum is σ = 8853488622. Its totient is φ = 8853488620.

The previous prime is 8853488597. The next prime is 8853488629. The reversal of 8853488621 is 1268843588.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7115766025 + 1737722596 = 84355^2 + 41686^2 .

It is a cyclic number.

It is not a de Polignac number, because 8853488621 - 2⁶ = 8853488557 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 (8853488629) 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, 4426744310 + 4426744311.

It is an arithmetic number, because the mean of its divisors is an integer number (4426744311).

Almost surely, 2^8853488621 is an apocalyptic number.

It is an amenable number.

8853488621 is a deficient number, since it is larger than the sum of its proper divisors (1).

8853488621 is an equidigital number, since it uses as much as digits as its factorization.

8853488621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2949120, while the sum is 53.

The square root of 8853488621 is about 94092.9785956423. The cubic root of 8853488621 is about 2068.7347570781.

The spelling of 8853488621 in words is "eight billion, eight hundred fifty-three million, four hundred eighty-eight thousand, six hundred twenty-one".