9144408771 has 24 divisors (see below), whose sum is σ = 13768084304. Its totient is φ = 5842964160.

The previous prime is 9144408703. The next prime is 9144408821. The reversal of 9144408771 is 1778044419.

It is a happy number.

It is not a de Polignac number, because 9144408771 - 2¹⁰ = 9144407747 is a prime.

It is a super-2 number, since 2×9144408771² (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 (9144408071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 182620 + ... + 227241.

Almost surely, 2^9144408771 is an apocalyptic number.

9144408771 is a deficient number, since it is larger than the sum of its proper divisors (4623675533).

9144408771 is a wasteful number, since it uses less digits than its factorization.

9144408771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409971 (or 409968 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 9144408771 is about 95626.4020603097. The cubic root of 9144408771 is about 2091.1501168104.

The spelling of 9144408771 in words is "nine billion, one hundred forty-four million, four hundred eight thousand, seven hundred seventy-one".