9656854973 has 2 divisors, whose sum is σ = 9656854974. Its totient is φ = 9656854972.

The previous prime is 9656854969. The next prime is 9656855023. The reversal of 9656854973 is 3794586569.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6625471609 + 3031383364 = 81397^2 + 55058^2 .

It is a cyclic number.

It is not a de Polignac number, because 9656854973 - 2² = 9656854969 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9656854073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4828427486 + 4828427487.

It is an arithmetic number, because the mean of its divisors is an integer number (4828427487).

Almost surely, 2^9656854973 is an apocalyptic number.

It is an amenable number.

9656854973 is a deficient number, since it is larger than the sum of its proper divisors (1).

9656854973 is an equidigital number, since it uses as much as digits as its factorization.

9656854973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48988800, while the sum is 62.

The square root of 9656854973 is about 98269.2982217742. The cubic root of 9656854973 is about 2129.5045372011.

The spelling of 9656854973 in words is "nine billion, six hundred fifty-six million, eight hundred fifty-four thousand, nine hundred seventy-three".