9669815539 has 2 divisors, whose sum is σ = 9669815540. Its totient is φ = 9669815538.

The previous prime is 9669815473. The next prime is 9669815567. The reversal of 9669815539 is 9355189669.

9669815539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9669815539 - 2¹³ = 9669807347 is a prime.

It is not a weakly prime, because it can be changed into another prime (9669815599) 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 as a sum of consecutive naturals, namely, 4834907769 + 4834907770.

It is an arithmetic number, because the mean of its divisors is an integer number (4834907770).

Almost surely, 2^9669815539 is an apocalyptic number.

9669815539 is a deficient number, since it is larger than the sum of its proper divisors (1).

9669815539 is an equidigital number, since it uses as much as digits as its factorization.

9669815539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15746400, while the sum is 61.

The square root of 9669815539 is about 98335.2202366985. The cubic root of 9669815539 is about 2130.4567880856.

The spelling of 9669815539 in words is "nine billion, six hundred sixty-nine million, eight hundred fifteen thousand, five hundred thirty-nine".