960999999999989 has 2 divisors, whose sum is σ = 960999999999990. Its totient is φ = 960999999999988.

The previous prime is 960999999999971. The next prime is 961000000000067. The reversal of 960999999999989 is 989999999999069.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 852847799859364 + 108152200140625 = 29203558^2 + 10399625^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-960999999999989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (960999999999889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 480499999999994 + 480499999999995.

It is an arithmetic number, because the mean of its divisors is an integer number (480499999999995).

Almost surely, 2^{960999999999989} is an apocalyptic number.

It is an amenable number.

960999999999989 is a deficient number, since it is larger than the sum of its proper divisors (1).

960999999999989 is an equidigital number, since it uses as much as digits as its factorization.

960999999999989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13556617751088, while the sum is 122.

The spelling of 960999999999989 in words is "nine hundred sixty trillion, nine hundred ninety-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred eighty-nine".