197008945005329 has 2 divisors, whose sum is σ = 197008945005330. Its totient is φ = 197008945005328.

The previous prime is 197008945005311. The next prime is 197008945005343. The reversal of 197008945005329 is 923500549800791.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 155267848265104 + 41741096740225 = 12460652^2 + 6460735^2 .

It is a cyclic number.

It is not a de Polignac number, because 197008945005329 - 2¹² = 197008945001233 is a prime.

It is a super-2 number, since 2×197008945005329² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (197008945005359) 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 as a sum of consecutive naturals, namely, 98504472502664 + 98504472502665.

It is an arithmetic number, because the mean of its divisors is an integer number (98504472502665).

Almost surely, 2^{197008945005329} is an apocalyptic number.

It is an amenable number.

197008945005329 is a deficient number, since it is larger than the sum of its proper divisors (1).

197008945005329 is an equidigital number, since it uses as much as digits as its factorization.

197008945005329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24494400, while the sum is 62.

The spelling of 197008945005329 in words is "one hundred ninety-seven trillion, eight billion, nine hundred forty-five million, five thousand, three hundred twenty-nine".