9133216449 has 16 divisors (see below), whose sum is σ = 13942286208. Its totient is φ = 5209604352.

The previous prime is 9133216439. The next prime is 9133216453. The reversal of 9133216449 is 9446123319.

It is not a de Polignac number, because 9133216449 - 2²⁰ = 9132167873 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9133216449.

It is not an unprimeable number, because it can be changed into a prime (9133216439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 378712 + ... + 402105.

It is an arithmetic number, because the mean of its divisors is an integer number (871392888).

Almost surely, 2^9133216449 is an apocalyptic number.

It is an amenable number.

9133216449 is a deficient number, since it is larger than the sum of its proper divisors (4809069759).

9133216449 is a wasteful number, since it uses less digits than its factorization.

9133216449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781384.

The product of its digits is 139968, while the sum is 42.

The square root of 9133216449 is about 95567.8630555272. The cubic root of 9133216449 is about 2090.2966123598.

The spelling of 9133216449 in words is "nine billion, one hundred thirty-three million, two hundred sixteen thousand, four hundred forty-nine".