7680432961 has 2 divisors, whose sum is σ = 7680432962. Its totient is φ = 7680432960.

The previous prime is 7680432959. The next prime is 7680432967. The reversal of 7680432961 is 1692340867.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7143630400 + 536802561 = 84520^2 + 23169^2 .

It is a cyclic number.

It is not a de Polignac number, because 7680432961 - 2¹ = 7680432959 is a prime.

Together with 7680432959, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7680432967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3840216480 + 3840216481.

It is an arithmetic number, because the mean of its divisors is an integer number (3840216481).

Almost surely, 2^7680432961 is an apocalyptic number.

It is an amenable number.

7680432961 is a deficient number, since it is larger than the sum of its proper divisors (1).

7680432961 is an equidigital number, since it uses as much as digits as its factorization.

7680432961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 7680432961 is about 87638.0794004524. The cubic root of 7680432961 is about 1973.0067342415.

The spelling of 7680432961 in words is "seven billion, six hundred eighty million, four hundred thirty-two thousand, nine hundred sixty-one".