193965395005 has 4 divisors (see below), whose sum is σ = 232758474012. Its totient is φ = 155172316000.

The previous prime is 193965395003. The next prime is 193965395047. The reversal of 193965395005 is 500593569391.

193965395005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 500593569391 = 142841 ⋅3504551.

It can be written as a sum of positive squares in 2 ways, for example, as 108782551684 + 85182843321 = 329822^2 + 291861^2 .

It is not a de Polignac number, because 193965395005 - 2¹ = 193965395003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193965395003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19396539496 + ... + 19396539505.

It is an arithmetic number, because the mean of its divisors is an integer number (58189618503).

Almost surely, 2^193965395005 is an apocalyptic number.

It is an amenable number.

193965395005 is a deficient number, since it is larger than the sum of its proper divisors (38793079007).

193965395005 is an equidigital number, since it uses as much as digits as its factorization.

193965395005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38793079006.

The product of its (nonzero) digits is 4920750, while the sum is 55.

The spelling of 193965395005 in words is "one hundred ninety-three billion, nine hundred sixty-five million, three hundred ninety-five thousand, five".