9008789409 has 32 divisors (see below), whose sum is σ = 14084150400. Its totient is φ = 5675443200.

The previous prime is 9008789401. The next prime is 9008789459. The reversal of 9008789409 is 9049878009.

It is not a de Polignac number, because 9008789409 - 2³ = 9008789401 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9008789401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183817 + ... + 227609.

It is an arithmetic number, because the mean of its divisors is an integer number (440129700).

Almost surely, 2^9008789409 is an apocalyptic number.

It is an amenable number.

9008789409 is a deficient number, since it is larger than the sum of its proper divisors (5075360991).

9008789409 is a wasteful number, since it uses less digits than its factorization.

9008789409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44222 (or 44216 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The square root of 9008789409 is about 94914.6427533708. The cubic root of 9008789409 is about 2080.7607400543.

The spelling of 9008789409 in words is "nine billion, eight million, seven hundred eighty-nine thousand, four hundred nine".