196175468889 has 45 divisors (see below), whose sum is σ = 303684904237. Its totient is φ = 126199454976.

The previous prime is 196175468869. The next prime is 196175468893. The reversal of 196175468889 is 988864571691.

The square root of 196175468889 is 442917.

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

196175468889 is a `hidden beast` number, since 1 + 96 + 1 + 75 + 468 + 8 + 8 + 9 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 65354366025 + 130821102864 = 255645^2 + 361692^2 .

It is not a de Polignac number, because 196175468889 - 2²³ = 196167080281 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (196175468809) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 115600489 + ... + 115602185.

Almost surely, 2^196175468889 is an apocalyptic number.

196175468889 is the 442917-th square number.

196175468889 is the 221459-th centered octagonal number.

It is an amenable number.

196175468889 is a deficient number, since it is larger than the sum of its proper divisors (107509435348).

196175468889 is an frugal number, since it uses more digits than its factorization.

196175468889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3464 (or 1729 counting only the distinct ones).

The product of its digits is 209018880, while the sum is 72.

The spelling of 196175468889 in words is "one hundred ninety-six billion, one hundred seventy-five million, four hundred sixty-eight thousand, eight hundred eighty-nine".