9143090809 has 8 divisors (see below), whose sum is σ = 9345709440. Its totient is φ = 8940809136.

The previous prime is 9143090777. The next prime is 9143090821. The reversal of 9143090809 is 9080903419.

9143090809 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9143090809 - 2⁵ = 9143090777 is a prime.

It is a super-2 number, since 2×9143090809² (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 (9143090899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28974 + ... + 138295.

It is an arithmetic number, because the mean of its divisors is an integer number (1168213680).

Almost surely, 2^9143090809 is an apocalyptic number.

It is an amenable number.

9143090809 is a deficient number, since it is larger than the sum of its proper divisors (202618631).

9143090809 is a wasteful number, since it uses less digits than its factorization.

9143090809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168479.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 9143090809 is about 95619.5106084527. The cubic root of 9143090809 is about 2091.0496478106.

The spelling of 9143090809 in words is "nine billion, one hundred forty-three million, ninety thousand, eight hundred nine".