993243262342399 has 2 divisors, whose sum is σ = 993243262342400. Its totient is φ = 993243262342398.

The previous prime is 993243262342321. The next prime is 993243262342411.

993243262342399 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 993243262342399 - 2¹⁹ = 993243261818111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (993243262342999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496621631171199 + 496621631171200.

It is an arithmetic number, because the mean of its divisors is an integer number (496621631171200).

Almost surely, 2^{993243262342399} is an apocalyptic number.

993243262342399 is a deficient number, since it is larger than the sum of its proper divisors (1).

993243262342399 is an equidigital number, since it uses as much as digits as its factorization.

993243262342399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816293376, while the sum is 70.

The spelling of 993243262342399 in words is "nine hundred ninety-three trillion, two hundred forty-three billion, two hundred sixty-two million, three hundred forty-two thousand, three hundred ninety-nine".