965549009641 has 2 divisors, whose sum is σ = 965549009642. Its totient is φ = 965549009640.

The previous prime is 965549009543. The next prime is 965549009671. The reversal of 965549009641 is 146900945569.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 945375068416 + 20173941225 = 972304^2 + 142035^2 .

It is a cyclic number.

It is not a de Polignac number, because 965549009641 - 2²³ = 965540621033 is a prime.

It is not a weakly prime, because it can be changed into another prime (965549009671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482774504820 + 482774504821.

It is an arithmetic number, because the mean of its divisors is an integer number (482774504821).

Almost surely, 2^965549009641 is an apocalyptic number.

It is an amenable number.

965549009641 is a deficient number, since it is larger than the sum of its proper divisors (1).

965549009641 is an equidigital number, since it uses as much as digits as its factorization.

965549009641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10497600, while the sum is 58.

The spelling of 965549009641 in words is "nine hundred sixty-five billion, five hundred forty-nine million, nine thousand, six hundred forty-one".