9648867853 has 2 divisors, whose sum is σ = 9648867854. Its totient is φ = 9648867852.

The previous prime is 9648867743. The next prime is 9648867857. The reversal of 9648867853 is 3587688469.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9639705124 + 9162729 = 98182^2 + 3027^2 .

It is an emirp because it is prime and its reverse (3587688469) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9648867853 - 2⁹ = 9648867341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9648867857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4824433926 + 4824433927.

It is an arithmetic number, because the mean of its divisors is an integer number (4824433927).

Almost surely, 2^9648867853 is an apocalyptic number.

It is an amenable number.

9648867853 is a deficient number, since it is larger than the sum of its proper divisors (1).

9648867853 is an equidigital number, since it uses as much as digits as its factorization.

9648867853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69672960, while the sum is 64.

The square root of 9648867853 is about 98228.6508764118. The cubic root of 9648867853 is about 2128.9172756231.

The spelling of 9648867853 in words is "nine billion, six hundred forty-eight million, eight hundred sixty-seven thousand, eight hundred fifty-three".