197884193452 has 12 divisors (see below), whose sum is σ = 377778914856. Its totient is φ = 89947360640.

The previous prime is 197884193417. The next prime is 197884193453. The reversal of 197884193452 is 254391488791.

It is not an unprimeable number, because it can be changed into a prime (197884193453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2248683973 + ... + 2248684060.

It is an arithmetic number, because the mean of its divisors is an integer number (31481576238).

Almost surely, 2^197884193452 is an apocalyptic number.

It is an amenable number.

197884193452 is a deficient number, since it is larger than the sum of its proper divisors (179894721404).

197884193452 is a wasteful number, since it uses less digits than its factorization.

197884193452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4497368048 (or 4497368046 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 61.

The spelling of 197884193452 in words is "one hundred ninety-seven billion, eight hundred eighty-four million, one hundred ninety-three thousand, four hundred fifty-two".