196398819275 has 12 divisors (see below), whose sum is σ = 247526907264. Its totient is φ = 154543332000.

The previous prime is 196398819271. The next prime is 196398819293. The reversal of 196398819275 is 572918893691.

It is a happy number.

It is not a de Polignac number, because 196398819275 - 2² = 196398819271 is a prime.

It is a super-2 number, since 2×196398819275² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196398819271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64391531 + ... + 64394580.

It is an arithmetic number, because the mean of its divisors is an integer number (20627242272).

Almost surely, 2^196398819275 is an apocalyptic number.

196398819275 is a deficient number, since it is larger than the sum of its proper divisors (51128087989).

196398819275 is a wasteful number, since it uses less digits than its factorization.

196398819275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128786182 (or 128786177 counting only the distinct ones).

The product of its digits is 58786560, while the sum is 68.

The spelling of 196398819275 in words is "one hundred ninety-six billion, three hundred ninety-eight million, eight hundred nineteen thousand, two hundred seventy-five".