9354862809 has 12 divisors (see below), whose sum is σ = 13520583076. Its totient is φ = 6232881312.

The previous prime is 9354862789. The next prime is 9354862817. The reversal of 9354862809 is 9082684539.

9354862809 is a `hidden beast` number, since 9 + 3 + 5 + 4 + 8 + 628 + 0 + 9 = 666.

9354862809 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1469955600 + 7884907209 = 38340^2 + 88797^2 .

It is not a de Polignac number, because 9354862809 - 2¹³ = 9354854617 is a prime.

It is a super-2 number, since 2×9354862809² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9354862849) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 291742 + ... + 322215.

Almost surely, 2^9354862809 is an apocalyptic number.

It is an amenable number.

9354862809 is a deficient number, since it is larger than the sum of its proper divisors (4165720267).

9354862809 is a wasteful number, since it uses less digits than its factorization.

9354862809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615656 (or 615653 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The square root of 9354862809 is about 96720.5397472533. The cubic root of 9354862809 is about 2107.0708597141.

The spelling of 9354862809 in words is "nine billion, three hundred fifty-four million, eight hundred sixty-two thousand, eight hundred nine".