197829216379 has 2 divisors, whose sum is σ = 197829216380. Its totient is φ = 197829216378.

The previous prime is 197829216353. The next prime is 197829216421. The reversal of 197829216379 is 973612928791.

197829216379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-197829216379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 197829216379.

It is not a weakly prime, because it can be changed into another prime (197829210379) 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 as a sum of consecutive naturals, namely, 98914608189 + 98914608190.

It is an arithmetic number, because the mean of its divisors is an integer number (98914608190).

Almost surely, 2^197829216379 is an apocalyptic number.

197829216379 is a deficient number, since it is larger than the sum of its proper divisors (1).

197829216379 is an equidigital number, since it uses as much as digits as its factorization.

197829216379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20575296, while the sum is 64.

The spelling of 197829216379 in words is "one hundred ninety-seven billion, eight hundred twenty-nine million, two hundred sixteen thousand, three hundred seventy-nine".