195105969 has 16 divisors (see below), whose sum is σ = 290131200. Its totient is φ = 129582288.

The previous prime is 195105959. The next prime is 195105983. The reversal of 195105969 is 969501591.

It is a happy number.

195105969 is a `hidden beast` number, since 1 + 9 + 51 + 0 + 596 + 9 = 666.

It is not a de Polignac number, because 195105969 - 2⁹ = 195105457 is a prime.

It is a super-2 number, since 2×195105969² = 76132678278857922, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (195105929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6169 + ... + 20694.

It is an arithmetic number, because the mean of its divisors is an integer number (18133200).

Almost surely, 2^195105969 is an apocalyptic number.

It is an amenable number.

195105969 is a deficient number, since it is larger than the sum of its proper divisors (95025231).

195105969 is a wasteful number, since it uses less digits than its factorization.

195105969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27141 (or 27135 counting only the distinct ones).

The product of its (nonzero) digits is 109350, while the sum is 45.

The square root of 195105969 is about 13968.0338272786. The cubic root of 195105969 is about 579.9940239178.

The spelling of 195105969 in words is "one hundred ninety-five million, one hundred five thousand, nine hundred sixty-nine".