9350782561 has 12 divisors (see below), whose sum is σ = 10201660348. Its totient is φ = 8562868992.

The previous prime is 9350782513. The next prime is 9350782577. The reversal of 9350782561 is 1652870539.

9350782561 is digitally balanced in base 2, 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 6 ways, for example, as 2118300625 + 7232481936 = 46025^2 + 85044^2 .

It is not a de Polignac number, because 9350782561 - 2¹³ = 9350774369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9350782261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 426546 + ... + 447931.

Almost surely, 2^9350782561 is an apocalyptic number.

It is an amenable number.

9350782561 is a deficient number, since it is larger than the sum of its proper divisors (850877787).

9350782561 is a wasteful number, since it uses less digits than its factorization.

9350782561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874548 (or 874531 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 46.

The square root of 9350782561 is about 96699.4444709999. Note that the first 4 decimals coincide. The cubic root of 9350782561 is about 2106.7644728259.

It can be divided in two parts, 9350 and 782561, that added together give a triangular number (791911 = T₁₂₅₈).

The spelling of 9350782561 in words is "nine billion, three hundred fifty million, seven hundred eighty-two thousand, five hundred sixty-one".