197281396963 has 4 divisors (see below), whose sum is σ = 225464453680. Its totient is φ = 169098340248.

The previous prime is 197281396951. The next prime is 197281396973. The reversal of 197281396963 is 369693182791.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-197281396963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 197281396895 and 197281396904.

It is not an unprimeable number, because it can be changed into a prime (197281396903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14091528348 + ... + 14091528361.

It is an arithmetic number, because the mean of its divisors is an integer number (56366113420).

Almost surely, 2^197281396963 is an apocalyptic number.

197281396963 is a deficient number, since it is larger than the sum of its proper divisors (28183056717).

197281396963 is an equidigital number, since it uses as much as digits as its factorization.

197281396963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28183056716.

The product of its digits is 26453952, while the sum is 64.

The spelling of 197281396963 in words is "one hundred ninety-seven billion, two hundred eighty-one million, three hundred ninety-six thousand, nine hundred sixty-three".