197829216353 has 2 divisors, whose sum is σ = 197829216354. Its totient is φ = 197829216352.

The previous prime is 197829216341. The next prime is 197829216379. The reversal of 197829216353 is 353612928791.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197676273664 + 152942689 = 444608^2 + 12367^2 .

It is an emirp because it is prime and its reverse (353612928791) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 197829216353 - 2⁸ = 197829216097 is a prime.

It is not a weakly prime, because it can be changed into another prime (197829216253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98914608176 + 98914608177.

It is an arithmetic number, because the mean of its divisors is an integer number (98914608177).

Almost surely, 2^197829216353 is an apocalyptic number.

It is an amenable number.

197829216353 is a deficient number, since it is larger than the sum of its proper divisors (1).

197829216353 is an equidigital number, since it uses as much as digits as its factorization.

197829216353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4898880, while the sum is 56.

The spelling of 197829216353 in words is "one hundred ninety-seven billion, eight hundred twenty-nine million, two hundred sixteen thousand, three hundred fifty-three".