195862008969 has 27 divisors (see below), whose sum is σ = 310992347757. Its totient is φ = 118695396600.

The previous prime is 195862008919. The next prime is 195862008973. The reversal of 195862008969 is 969800268591.

The square root of 195862008969 is 442563.

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

It is not a de Polignac number, because 195862008969 - 2¹³ = 195862000777 is a prime.

It is a super-2 number, since 2×195862008969² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (195862008919) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 14597874 + ... + 14611284.

Almost surely, 2^195862008969 is an apocalyptic number.

195862008969 is the 442563-rd square number.

195862008969 is the 221282-nd centered octagonal number.

It is an amenable number.

195862008969 is a deficient number, since it is larger than the sum of its proper divisors (115130338788).

195862008969 is an frugal number, since it uses more digits than its factorization.

195862008969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26850 (or 13425 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 63.

The spelling of 195862008969 in words is "one hundred ninety-five billion, eight hundred sixty-two million, eight thousand, nine hundred sixty-nine".