193394702593 has 2 divisors, whose sum is σ = 193394702594. Its totient is φ = 193394702592.

The previous prime is 193394702569. The next prime is 193394702597. The reversal of 193394702593 is 395207493391.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 187482938049 + 5911764544 = 432993^2 + 76888^2 .

It is a cyclic number.

It is not a de Polignac number, because 193394702593 - 2¹³ = 193394694401 is a prime.

It is not a weakly prime, because it can be changed into another prime (193394702597) 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, 96697351296 + 96697351297.

It is an arithmetic number, because the mean of its divisors is an integer number (96697351297).

Almost surely, 2^193394702593 is an apocalyptic number.

It is an amenable number.

193394702593 is a deficient number, since it is larger than the sum of its proper divisors (1).

193394702593 is an equidigital number, since it uses as much as digits as its factorization.

193394702593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5511240, while the sum is 55.

The spelling of 193394702593 in words is "one hundred ninety-three billion, three hundred ninety-four million, seven hundred two thousand, five hundred ninety-three".