9689120971 has 2 divisors, whose sum is σ = 9689120972. Its totient is φ = 9689120970.

The previous prime is 9689120963. The next prime is 9689121047. The reversal of 9689120971 is 1790219869.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9689120971 - 2³ = 9689120963 is a prime.

It is not a weakly prime, because it can be changed into another prime (9689120911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4844560485 + 4844560486.

It is an arithmetic number, because the mean of its divisors is an integer number (4844560486).

Almost surely, 2^9689120971 is an apocalyptic number.

9689120971 is a deficient number, since it is larger than the sum of its proper divisors (1).

9689120971 is an equidigital number, since it uses as much as digits as its factorization.

9689120971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 52.

The square root of 9689120971 is about 98433.3326216277. The cubic root of 9689120971 is about 2131.8736385484.

The spelling of 9689120971 in words is "nine billion, six hundred eighty-nine million, one hundred twenty thousand, nine hundred seventy-one".