195465928313569 has 3 divisors (see below), whose sum is σ = 195465942294483. Its totient is φ = 195465914332656.

The previous prime is 195465928313527. The next prime is 195465928313587. The reversal of 195465928313569 is 965313829564591.

The square root of 195465928313569 is 13980913.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 62486100184225 + 132979828129344 = 7904815^2 + 11531688^2 .

It is not a de Polignac number, because 195465928313569 - 2¹³ = 195465928305377 is a prime.

It is a super-2 number, since 2×195465928313569² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 195465928313495 and 195465928313504.

It is not an unprimeable number, because it can be changed into a prime (195465928313599) 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 in 2 ways as a sum of consecutive naturals, for example, 6990457 + ... + 20971369.

It is an arithmetic number, because the mean of its divisors is an integer number (65155314098161).

Almost surely, 2^{195465928313569} is an apocalyptic number.

195465928313569 is the 13980913-rd square number.

195465928313569 is the 6990457-th centered octagonal number.

It is an amenable number.

195465928313569 is a deficient number, since it is larger than the sum of its proper divisors (13980914).

195465928313569 is an frugal number, since it uses more digits than its factorization.

195465928313569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27961826 (or 13980913 counting only the distinct ones).

The product of its digits is 1889568000, while the sum is 76.

The spelling of 195465928313569 in words is "one hundred ninety-five trillion, four hundred sixty-five billion, nine hundred twenty-eight million, three hundred thirteen thousand, five hundred sixty-nine".