9853143169 has 9 divisors (see below), whose sum is σ = 10468626627. Its totient is φ = 9271958304.

The previous prime is 9853143107. The next prime is 9853143187. The reversal of 9853143169 is 9613413589.

The square root of 9853143169 is 99263.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 7671132225 + 2182010944 = 87585^2 + 46712^2 .

It is not a de Polignac number, because 9853143169 - 2¹¹ = 9853141121 is a prime.

It is a super-2 number, since 2×9853143169² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9853143569) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1684552 + ... + 1690390.

Almost surely, 2^9853143169 is an apocalyptic number.

9853143169 is the 99263-rd square number.

9853143169 is the 49632-nd centered octagonal number.

It is an amenable number.

9853143169 is a deficient number, since it is larger than the sum of its proper divisors (615483458).

9853143169 is an frugal number, since it uses more digits than its factorization.

9853143169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11712 (or 5856 counting only the distinct ones).

The product of its digits is 699840, while the sum is 49.

The cubic root of 9853143169 is about 2143.8361890124.

Multiplying 9853143169 by its sum of digits (49), we get a square (482804015281 = 694841²).

The spelling of 9853143169 in words is "nine billion, eight hundred fifty-three million, one hundred forty-three thousand, one hundred sixty-nine".