195434093565 has 24 divisors (see below), whose sum is σ = 339013711608. Its totient is φ = 104151121920.

The previous prime is 195434093551. The next prime is 195434093587. The reversal of 195434093565 is 565390434591.

195434093565 is a `hidden beast` number, since 1 + 9 + 543 + 4 + 0 + 9 + 35 + 65 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 130435100964 + 64998992601 = 361158^2 + 254949^2 .

It is not a de Polignac number, because 195434093565 - 2⁶ = 195434093501 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1615876 + ... + 1732605.

It is an arithmetic number, because the mean of its divisors is an integer number (14125571317).

Almost surely, 2^195434093565 is an apocalyptic number.

195434093565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

195434093565 is a deficient number, since it is larger than the sum of its proper divisors (143579618043).

195434093565 is a wasteful number, since it uses less digits than its factorization.

195434093565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3349789 (or 3349786 counting only the distinct ones).

The product of its (nonzero) digits is 8748000, while the sum is 54.

The spelling of 195434093565 in words is "one hundred ninety-five billion, four hundred thirty-four million, ninety-three thousand, five hundred sixty-five".