196931579489 has 8 divisors (see below), whose sum is σ = 200167039680. Its totient is φ = 193696347600.

The previous prime is 196931579447. The next prime is 196931579527. The reversal of 196931579489 is 984975139691.

196931579489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 196931579489 - 2²⁰ = 196930530913 is a prime.

It is a super-2 number, since 2×196931579489² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (196931579389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3139172 + ... + 3201290.

It is an arithmetic number, because the mean of its divisors is an integer number (25020879960).

Almost surely, 2^196931579489 is an apocalyptic number.

It is an amenable number.

196931579489 is a deficient number, since it is larger than the sum of its proper divisors (3235460191).

196931579489 is an equidigital number, since it uses as much as digits as its factorization.

196931579489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114151.

The product of its digits is 132269760, while the sum is 71.

The spelling of 196931579489 in words is "one hundred ninety-six billion, nine hundred thirty-one million, five hundred seventy-nine thousand, four hundred eighty-nine".