9394517649 has 16 divisors (see below), whose sum is σ = 13669735680. Its totient is φ = 5691570960.

The previous prime is 9394517633. The next prime is 9394517651. The reversal of 9394517649 is 9467154939.

9394517649 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9394517649 - 2⁴ = 9394517633 is a prime.

It is a super-3 number, since 3×9394517649³ (a number of 31 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9394517669) 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, 42534 + ... + 143520.

It is an arithmetic number, because the mean of its divisors is an integer number (854358480).

Almost surely, 2^9394517649 is an apocalyptic number.

It is an amenable number.

9394517649 is a deficient number, since it is larger than the sum of its proper divisors (4275218031).

9394517649 is a wasteful number, since it uses less digits than its factorization.

9394517649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103820.

The product of its digits is 7348320, while the sum is 57.

The square root of 9394517649 is about 96925.3199582029. The cubic root of 9394517649 is about 2110.0439221033.

The spelling of 9394517649 in words is "nine billion, three hundred ninety-four million, five hundred seventeen thousand, six hundred forty-nine".