9115590609 has 8 divisors (see below), whose sum is σ = 13504578720. Its totient is φ = 6077060388.

The previous prime is 9115590607. The next prime is 9115590637. The reversal of 9115590609 is 9060955119.

It is a happy number.

9115590609 is a `hidden beast` number, since 91 + 1 + 559 + 0 + 6 + 0 + 9 = 666.

It is not a de Polignac number, because 9115590609 - 2¹ = 9115590607 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9115590607) 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, 168807207 + ... + 168807260.

It is an arithmetic number, because the mean of its divisors is an integer number (1688072340).

Almost surely, 2^9115590609 is an apocalyptic number.

It is an amenable number.

9115590609 is a deficient number, since it is larger than the sum of its proper divisors (4388988111).

9115590609 is a wasteful number, since it uses less digits than its factorization.

9115590609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337614476 (or 337614470 counting only the distinct ones).

The product of its (nonzero) digits is 109350, while the sum is 45.

The square root of 9115590609 is about 95475.6021662079. The cubic root of 9115590609 is about 2088.9510856563.

The spelling of 9115590609 in words is "nine billion, one hundred fifteen million, five hundred ninety thousand, six hundred nine".