9009585457 has 4 divisors (see below), whose sum is σ = 9009887040. Its totient is φ = 9009283876.

The previous prime is 9009585439. The next prime is 9009585491. The reversal of 9009585457 is 7545859009.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7545859009 = 13 ⋅580450693.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9009585457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9009585407) 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, 100357 + ... + 167602.

It is an arithmetic number, because the mean of its divisors is an integer number (2252471760).

Almost surely, 2^9009585457 is an apocalyptic number.

It is an amenable number.

9009585457 is a deficient number, since it is larger than the sum of its proper divisors (301583).

9009585457 is a wasteful number, since it uses less digits than its factorization.

9009585457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301582.

The product of its (nonzero) digits is 2268000, while the sum is 52.

The square root of 9009585457 is about 94918.8361548960. The cubic root of 9009585457 is about 2080.8220260039.

The spelling of 9009585457 in words is "nine billion, nine million, five hundred eighty-five thousand, four hundred fifty-seven".