964550009641 has 2 divisors, whose sum is σ = 964550009642. Its totient is φ = 964550009640.

The previous prime is 964550009581. The next prime is 964550009659. The reversal of 964550009641 is 146900055469.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 896061026025 + 68488983616 = 946605^2 + 261704^2 .

It is a cyclic number.

It is not a de Polignac number, because 964550009641 - 2²³ = 964541621033 is a prime.

It is not a weakly prime, because it can be changed into another prime (964550709641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482275004820 + 482275004821.

It is an arithmetic number, because the mean of its divisors is an integer number (482275004821).

Almost surely, 2^964550009641 is an apocalyptic number.

It is an amenable number.

964550009641 is a deficient number, since it is larger than the sum of its proper divisors (1).

964550009641 is an equidigital number, since it uses as much as digits as its factorization.

964550009641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1166400, while the sum is 49.

The spelling of 964550009641 in words is "nine hundred sixty-four billion, five hundred fifty million, nine thousand, six hundred forty-one".