9450216509 has 16 divisors (see below), whose sum is σ = 9770620800. Its totient is φ = 9133435584.

The previous prime is 9450216487. The next prime is 9450216577. The reversal of 9450216509 is 9056120549.

It is a cyclic number.

It is not a de Polignac number, because 9450216509 - 2²⁴ = 9433439293 is a prime.

It is a super-2 number, since 2×9450216509² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9450218509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4633712 + ... + 4635750.

It is an arithmetic number, because the mean of its divisors is an integer number (610663800).

Almost surely, 2^9450216509 is an apocalyptic number.

It is an amenable number.

9450216509 is a deficient number, since it is larger than the sum of its proper divisors (320404291).

9450216509 is a wasteful number, since it uses less digits than its factorization.

9450216509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2852.

The product of its (nonzero) digits is 97200, while the sum is 41.

The square root of 9450216509 is about 97212.2240718728. The cubic root of 9450216509 is about 2114.2057655660.

The spelling of 9450216509 in words is "nine billion, four hundred fifty million, two hundred sixteen thousand, five hundred nine".