9601966811 has 2 divisors, whose sum is σ = 9601966812. Its totient is φ = 9601966810.

The previous prime is 9601966807. The next prime is 9601966831. The reversal of 9601966811 is 1186691069.

9601966811 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 9601966811 - 2² = 9601966807 is a prime.

It is not a weakly prime, because it can be changed into another prime (9601966831) 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, 4800983405 + 4800983406.

It is an arithmetic number, because the mean of its divisors is an integer number (4800983406).

Almost surely, 2^9601966811 is an apocalyptic number.

9601966811 is a deficient number, since it is larger than the sum of its proper divisors (1).

9601966811 is an equidigital number, since it uses as much as digits as its factorization.

9601966811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 47.

The square root of 9601966811 is about 97989.6260376577. The cubic root of 9601966811 is about 2125.4622707156.

The spelling of 9601966811 in words is "nine billion, six hundred one million, nine hundred sixty-six thousand, eight hundred eleven".