964493744497 has 2 divisors, whose sum is σ = 964493744498. Its totient is φ = 964493744496.

The previous prime is 964493744479. The next prime is 964493744551. The reversal of 964493744497 is 794447394469.

Together with previous prime (964493744479) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 962123612641 + 2370131856 = 980879^2 + 48684^2 .

It is a cyclic number.

It is not a de Polignac number, because 964493744497 - 2¹¹ = 964493742449 is a prime.

It is not a weakly prime, because it can be changed into another prime (964493744437) 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, 482246872248 + 482246872249.

It is an arithmetic number, because the mean of its divisors is an integer number (482246872249).

Almost surely, 2^964493744497 is an apocalyptic number.

It is an amenable number.

964493744497 is a deficient number, since it is larger than the sum of its proper divisors (1).

964493744497 is an equidigital number, since it uses as much as digits as its factorization.

964493744497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 658409472, while the sum is 70.

The spelling of 964493744497 in words is "nine hundred sixty-four billion, four hundred ninety-three million, seven hundred forty-four thousand, four hundred ninety-seven".