197043406863 has 16 divisors (see below), whose sum is σ = 278188541280. Its totient is φ = 123630806016.

The previous prime is 197043406849. The next prime is 197043406883. The reversal of 197043406863 is 368604340791.

197043406863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 197043406863 - 2⁵ = 197043406831 is a prime.

It is a super-3 number, since 3×197043406863³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197043406843) 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 15 ways as a sum of consecutive naturals, for example, 2116683 + ... + 2207811.

It is an arithmetic number, because the mean of its divisors is an integer number (17386783830).

Almost surely, 2^197043406863 is an apocalyptic number.

197043406863 is a deficient number, since it is larger than the sum of its proper divisors (81145134417).

197043406863 is a wasteful number, since it uses less digits than its factorization.

197043406863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133546.

The product of its (nonzero) digits is 2612736, while the sum is 51.

The spelling of 197043406863 in words is "one hundred ninety-seven billion, forty-three million, four hundred six thousand, eight hundred sixty-three".