350444221502197 has 2 divisors, whose sum is σ = 350444221502198. Its totient is φ = 350444221502196.

The previous prime is 350444221502161. The next prime is 350444221502231. The reversal of 350444221502197 is 791205122444053.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 298429460062321 + 52014761439876 = 17275111^2 + 7212126^2 .

It is an emirp because it is prime and its reverse (791205122444053) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 350444221502197 - 2¹⁵ = 350444221469429 is a prime.

It is a super-2 number, since 2×350444221502197² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 350444221502197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (350444221502107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175222110751098 + 175222110751099.

It is an arithmetic number, because the mean of its divisors is an integer number (175222110751099).

Almost surely, 2^{350444221502197} is an apocalyptic number.

It is an amenable number.

350444221502197 is a deficient number, since it is larger than the sum of its proper divisors (1).

350444221502197 is an equidigital number, since it uses as much as digits as its factorization.

350444221502197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2419200, while the sum is 49.

The spelling of 350444221502197 in words is "three hundred fifty trillion, four hundred forty-four billion, two hundred twenty-one million, five hundred two thousand, one hundred ninety-seven".