9811449162 has 28 divisors (see below), whose sum is σ = 22065669810. Its totient is φ = 3270482568.

The previous prime is 9811449133. The next prime is 9811449163. The reversal of 9811449162 is 2619441189.

It is a happy number.

9811449162 is a `hidden beast` number, since 98 + 1 + 14 + 491 + 62 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9781407801 + 30041361 = 98901^2 + 5481^2 .

It is not an unprimeable number, because it can be changed into a prime (9811449163) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 3363237 + ... + 3366152.

Almost surely, 2^9811449162 is an apocalyptic number.

9811449162 is an abundant number, since it is smaller than the sum of its proper divisors (12254220648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9811449162 is an equidigital number, since it uses as much as digits as its factorization.

9811449162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6729409 (or 6729394 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 9811449162 is about 99052.7594870532. The cubic root of 9811449162 is about 2140.8080014318.

The spelling of 9811449162 in words is "nine billion, eight hundred eleven million, four hundred forty-nine thousand, one hundred sixty-two".