9853529969 has 2 divisors, whose sum is σ = 9853529970. Its totient is φ = 9853529968.

The previous prime is 9853529923. The next prime is 9853529971. The reversal of 9853529969 is 9699253589.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7847833744 + 2005696225 = 88588^2 + 44785^2 .

It is a cyclic number.

It is not a de Polignac number, because 9853529969 - 2¹⁶ = 9853464433 is a prime.

It is a super-2 number, since 2×9853529969² (a number of 21 digits) contains 22 as substring.

Together with 9853529971, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9853529989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4926764984 + 4926764985.

It is an arithmetic number, because the mean of its divisors is an integer number (4926764985).

Almost surely, 2^9853529969 is an apocalyptic number.

It is an amenable number.

9853529969 is a deficient number, since it is larger than the sum of its proper divisors (1).

9853529969 is an equidigital number, since it uses as much as digits as its factorization.

9853529969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47239200, while the sum is 65.

The square root of 9853529969 is about 99264.9483402878. The cubic root of 9853529969 is about 2143.8642418199.

The spelling of 9853529969 in words is "nine billion, eight hundred fifty-three million, five hundred twenty-nine thousand, nine hundred sixty-nine".