963420961 has 2 divisors, whose sum is σ = 963420962. Its totient is φ = 963420960.

The previous prime is 963420949. The next prime is 963421001. The reversal of 963420961 is 169024369.

It is an a-pointer prime, because the next prime (963421001) can be obtained adding 963420961 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 633780625 + 329640336 = 25175^2 + 18156^2 .

It is a cyclic number.

It is not a de Polignac number, because 963420961 - 2⁷ = 963420833 is a prime.

It is not a weakly prime, because it can be changed into another prime (963420901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 481710480 + 481710481.

It is an arithmetic number, because the mean of its divisors is an integer number (481710481).

Almost surely, 2^963420961 is an apocalyptic number.

It is an amenable number.

963420961 is a deficient number, since it is larger than the sum of its proper divisors (1).

963420961 is an equidigital number, since it uses as much as digits as its factorization.

963420961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 963420961 is about 31039.0231966149. The cubic root of 963420961 is about 987.6552205077.

The spelling of 963420961 in words is "nine hundred sixty-three million, four hundred twenty thousand, nine hundred sixty-one".