197303281379 has 4 divisors (see below), whose sum is σ = 201501223584. Its totient is φ = 193105339176.

The previous prime is 197303281321. The next prime is 197303281381. The reversal of 197303281379 is 973182303791.

197303281379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 197303281379 - 2²⁸ = 197034845923 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 197303281379.

It is not an unprimeable number, because it can be changed into a prime (197303281309) 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 3 ways as a sum of consecutive naturals, for example, 2098971032 + ... + 2098971125.

It is an arithmetic number, because the mean of its divisors is an integer number (50375305896).

Almost surely, 2^197303281379 is an apocalyptic number.

197303281379 is a deficient number, since it is larger than the sum of its proper divisors (4197942205).

197303281379 is an equidigital number, since it uses as much as digits as its factorization.

197303281379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4197942204.

The product of its (nonzero) digits is 1714608, while the sum is 53.

The spelling of 197303281379 in words is "one hundred ninety-seven billion, three hundred three million, two hundred eighty-one thousand, three hundred seventy-nine".