195738882305 has 4 divisors (see below), whose sum is σ = 234886658772. Its totient is φ = 156591105840.

The previous prime is 195738882289. The next prime is 195738882307. The reversal of 195738882305 is 503288837591.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 85562685121 + 110176197184 = 292511^2 + 331928^2 .

It is not a de Polignac number, because 195738882305 - 2⁴ = 195738882289 is a prime.

It is a super-2 number, since 2×195738882305² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195738882307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19573888226 + ... + 19573888235.

It is an arithmetic number, because the mean of its divisors is an integer number (58721664693).

Almost surely, 2^195738882305 is an apocalyptic number.

It is an amenable number.

195738882305 is a deficient number, since it is larger than the sum of its proper divisors (39147776467).

195738882305 is an equidigital number, since it uses as much as digits as its factorization.

195738882305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39147776466.

The product of its (nonzero) digits is 14515200, while the sum is 59.

The spelling of 195738882305 in words is "one hundred ninety-five billion, seven hundred thirty-eight million, eight hundred eighty-two thousand, three hundred five".