9217564413 has 8 divisors (see below), whose sum is σ = 12290908608. Its totient is φ = 6144631584.

The previous prime is 9217564403. The next prime is 9217564469. The reversal of 9217564413 is 3144657129.

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

It is not a de Polignac number, because 9217564413 - 2²⁵ = 9184009981 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9217564403) 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, 46081 + ... + 143382.

It is an arithmetic number, because the mean of its divisors is an integer number (1536363576).

Almost surely, 2^9217564413 is an apocalyptic number.

It is an amenable number.

9217564413 is a deficient number, since it is larger than the sum of its proper divisors (3073344195).

9217564413 is a wasteful number, since it uses less digits than its factorization.

9217564413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205683.

The product of its digits is 181440, while the sum is 42.

The square root of 9217564413 is about 96008.1476386249. The cubic root of 9217564413 is about 2096.7117406548.

The spelling of 9217564413 in words is "nine billion, two hundred seventeen million, five hundred sixty-four thousand, four hundred thirteen".