997533343335799 has 2 divisors, whose sum is σ = 997533343335800. Its totient is φ = 997533343335798.

The previous prime is 997533343335791. The next prime is 997533343335811.

997533343335799 is nontrivially palindromic in base 10.

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 997533343335799 - 2³ = 997533343335791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (997533343335791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498766671667899 + 498766671667900.

It is an arithmetic number, because the mean of its divisors is an integer number (498766671667900).

Almost surely, 2^{997533343335799} is an apocalyptic number.

997533343335799 is a deficient number, since it is larger than the sum of its proper divisors (1).

997533343335799 is an equidigital number, since it uses as much as digits as its factorization.

997533343335799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23436548100, while the sum is 82.

The spelling of 997533343335799 in words is "nine hundred ninety-seven trillion, five hundred thirty-three billion, three hundred forty-three million, three hundred thirty-five thousand, seven hundred ninety-nine".