9690653873 has 2 divisors, whose sum is σ = 9690653874. Its totient is φ = 9690653872.

The previous prime is 9690653783. The next prime is 9690653897. The reversal of 9690653873 is 3783560969.

Together with previous prime (9690653783) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9578145424 + 112508449 = 97868^2 + 10607^2 .

It is a cyclic number.

It is not a de Polignac number, because 9690653873 - 2⁸ = 9690653617 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (9690653173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4845326936 + 4845326937.

It is an arithmetic number, because the mean of its divisors is an integer number (4845326937).

Almost surely, 2^9690653873 is an apocalyptic number.

It is an amenable number.

9690653873 is a deficient number, since it is larger than the sum of its proper divisors (1).

9690653873 is an equidigital number, since it uses as much as digits as its factorization.

9690653873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7348320, while the sum is 56.

The square root of 9690653873 is about 98441.1188122118. The cubic root of 9690653873 is about 2131.9860595152.

The spelling of 9690653873 in words is "nine billion, six hundred ninety million, six hundred fifty-three thousand, eight hundred seventy-three".