979141322502197 has 2 divisors, whose sum is σ = 979141322502198. Its totient is φ = 979141322502196.

The previous prime is 979141322502191. The next prime is 979141322502241. The reversal of 979141322502197 is 791205223141979.

979141322502197 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 can be written as a sum of positive squares in only one way, i.e., 866649186476836 + 112492136025361 = 29438906^2 + 10606231^2 .

It is an emirp because it is prime and its reverse (791205223141979) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 979141322502197 - 2¹⁴ = 979141322485813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (979141322502191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489570661251098 + 489570661251099.

It is an arithmetic number, because the mean of its divisors is an integer number (489570661251099).

Almost surely, 2^{979141322502197} is an apocalyptic number.

It is an amenable number.

979141322502197 is a deficient number, since it is larger than the sum of its proper divisors (1).

979141322502197 is an equidigital number, since it uses as much as digits as its factorization.

979141322502197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17146080, while the sum is 62.

The spelling of 979141322502197 in words is "nine hundred seventy-nine trillion, one hundred forty-one billion, three hundred twenty-two million, five hundred two thousand, one hundred ninety-seven".