196911984381 has 8 divisors (see below), whose sum is σ = 300056357184. Its totient is φ = 112521133920.

The previous prime is 196911984319. The next prime is 196911984431. The reversal of 196911984381 is 183489119691.

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

It is not a de Polignac number, because 196911984381 - 2¹⁸ = 196911722237 is a prime.

It is a super-2 number, since 2×196911984381² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196961984381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4688380560 + ... + 4688380601.

It is an arithmetic number, because the mean of its divisors is an integer number (37507044648).

Almost surely, 2^196911984381 is an apocalyptic number.

It is an amenable number.

196911984381 is a deficient number, since it is larger than the sum of its proper divisors (103144372803).

196911984381 is an equidigital number, since it uses as much as digits as its factorization.

196911984381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9376761171.

The product of its digits is 3359232, while the sum is 60.

The spelling of 196911984381 in words is "one hundred ninety-six billion, nine hundred eleven million, nine hundred eighty-four thousand, three hundred eighty-one".