9684045551 has 2 divisors, whose sum is σ = 9684045552. Its totient is φ = 9684045550.

The previous prime is 9684045509. The next prime is 9684045559. The reversal of 9684045551 is 1555404869.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9684045551 - 2¹⁰ = 9684044527 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 9684045496 and 9684045505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9684045559) by changing a digit.

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 as a sum of consecutive naturals, namely, 4842022775 + 4842022776.

It is an arithmetic number, because the mean of its divisors is an integer number (4842022776).

Almost surely, 2^9684045551 is an apocalyptic number.

9684045551 is a deficient number, since it is larger than the sum of its proper divisors (1).

9684045551 is an equidigital number, since it uses as much as digits as its factorization.

9684045551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864000, while the sum is 47.

The square root of 9684045551 is about 98407.5482419921. The cubic root of 9684045551 is about 2131.5013294408.

The spelling of 9684045551 in words is "nine billion, six hundred eighty-four million, forty-five thousand, five hundred fifty-one".