9394543145 has 16 divisors (see below), whose sum is σ = 12854797200. Its totient is φ = 6529419264.

The previous prime is 9394543129. The next prime is 9394543219. The reversal of 9394543145 is 5413454939.

It can be written as a sum of positive squares in 8 ways, for example, as 578835481 + 8815707664 = 24059^2 + 93892^2 .

It is a cyclic number.

It is not a de Polignac number, because 9394543145 - 2⁴ = 9394543129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9394543145.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4249820 + ... + 4252029.

It is an arithmetic number, because the mean of its divisors is an integer number (803424825).

Almost surely, 2^9394543145 is an apocalyptic number.

It is an amenable number.

9394543145 is a deficient number, since it is larger than the sum of its proper divisors (3460254055).

9394543145 is a wasteful number, since it uses less digits than its factorization.

9394543145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8501884.

The product of its digits is 1166400, while the sum is 47.

The square root of 9394543145 is about 96925.4514820540. The cubic root of 9394543145 is about 2110.0458309340.

The spelling of 9394543145 in words is "nine billion, three hundred ninety-four million, five hundred forty-three thousand, one hundred forty-five".