9671757961 has 2 divisors, whose sum is σ = 9671757962. Its totient is φ = 9671757960.

The previous prime is 9671757889. The next prime is 9671758049. The reversal of 9671757961 is 1697571769.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6167117961 + 3504640000 = 78531^2 + 59200^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9671757961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9671757896 and 9671757905.

It is not a weakly prime, because it can be changed into another prime (9671757661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4835878980 + 4835878981.

It is an arithmetic number, because the mean of its divisors is an integer number (4835878981).

Almost surely, 2^9671757961 is an apocalyptic number.

It is an amenable number.

9671757961 is a deficient number, since it is larger than the sum of its proper divisors (1).

9671757961 is an equidigital number, since it uses as much as digits as its factorization.

9671757961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5000940, while the sum is 58.

The square root of 9671757961 is about 98345.0962732764. The cubic root of 9671757961 is about 2130.5994302094.

The spelling of 9671757961 in words is "nine billion, six hundred seventy-one million, seven hundred fifty-seven thousand, nine hundred sixty-one".