9145040659 has 4 divisors (see below), whose sum is σ = 9156872016. Its totient is φ = 9133209304.

The previous prime is 9145040647. The next prime is 9145040687. The reversal of 9145040659 is 9560405419.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9560405419 = 2953 ⋅3237523.

It is a cyclic number.

It is not a de Polignac number, because 9145040659 - 2⁵ = 9145040627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9145040059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5914519 + ... + 5916064.

It is an arithmetic number, because the mean of its divisors is an integer number (2289218004).

Almost surely, 2^9145040659 is an apocalyptic number.

9145040659 is a deficient number, since it is larger than the sum of its proper divisors (11831357).

9145040659 is a wasteful number, since it uses less digits than its factorization.

9145040659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11831356.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 9145040659 is about 95629.7059443351. The cubic root of 9145040659 is about 2091.1982825717.

The spelling of 9145040659 in words is "nine billion, one hundred forty-five million, forty thousand, six hundred fifty-nine".