197079044219 has 4 divisors (see below), whose sum is σ = 203874873360. Its totient is φ = 190283215080.

The previous prime is 197079044209. The next prime is 197079044257. The reversal of 197079044219 is 912440970791.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 197079044219 - 2⁴ = 197079044203 is a prime.

It is a super-2 number, since 2×197079044219² (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 (197079044209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3397914527 + ... + 3397914584.

It is an arithmetic number, because the mean of its divisors is an integer number (50968718340).

Almost surely, 2^197079044219 is an apocalyptic number.

197079044219 is a deficient number, since it is larger than the sum of its proper divisors (6795829141).

197079044219 is an equidigital number, since it uses as much as digits as its factorization.

197079044219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6795829140.

The product of its (nonzero) digits is 1143072, while the sum is 53.

The spelling of 197079044219 in words is "one hundred ninety-seven billion, seventy-nine million, forty-four thousand, two hundred nineteen".