196813218033 has 6 divisors (see below), whose sum is σ = 284285759394. Its totient is φ = 131208812016.

The previous prime is 196813218001. The next prime is 196813218067. The reversal of 196813218033 is 330812318691.

It can be written as a sum of positive squares in only one way, i.e., 195994800369 + 818417664 = 442713^2 + 28608^2 .

It is not a de Polignac number, because 196813218033 - 2⁵ = 196813218001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 196813218033.

It is not an unprimeable number, because it can be changed into a prime (196813218083) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10934067660 + ... + 10934067677.

It is an arithmetic number, because the mean of its divisors is an integer number (47380959899).

Almost surely, 2^196813218033 is an apocalyptic number.

It is an amenable number.

196813218033 is a deficient number, since it is larger than the sum of its proper divisors (87472541361).

196813218033 is a wasteful number, since it uses less digits than its factorization.

196813218033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21868135343 (or 21868135340 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 196813218033 in words is "one hundred ninety-six billion, eight hundred thirteen million, two hundred eighteen thousand, thirty-three".