9661497808283 has 2 divisors, whose sum is σ = 9661497808284. Its totient is φ = 9661497808282.

The previous prime is 9661497808267. The next prime is 9661497808327. The reversal of 9661497808283 is 3828087941669.

9661497808283 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9661497808283 - 2⁴ = 9661497808267 is a prime.

It is not a weakly prime, because it can be changed into another prime (9661497808213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4830748904141 + 4830748904142.

It is an arithmetic number, because the mean of its divisors is an integer number (4830748904142).

Almost surely, 2^{9661497808283} is an apocalyptic number.

9661497808283 is a deficient number, since it is larger than the sum of its proper divisors (1).

9661497808283 is an equidigital number, since it uses as much as digits as its factorization.

9661497808283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 250822656, while the sum is 71.

The spelling of 9661497808283 in words is "nine trillion, six hundred sixty-one billion, four hundred ninety-seven million, eight hundred eight thousand, two hundred eighty-three".