2199946460197 has 2 divisors, whose sum is σ = 2199946460198. Its totient is φ = 2199946460196.

The previous prime is 2199946460177. The next prime is 2199946460203. The reversal of 2199946460197 is 7910646499912.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2099502469156 + 100443991041 = 1448966^2 + 316929^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2199946460197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2199946460177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1099973230098 + 1099973230099.

It is an arithmetic number, because the mean of its divisors is an integer number (1099973230099).

Almost surely, 2^{2199946460197} is an apocalyptic number.

It is an amenable number.

2199946460197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2199946460197 is an equidigital number, since it uses as much as digits as its factorization.

2199946460197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52907904, while the sum is 67.

The spelling of 2199946460197 in words is "two trillion, one hundred ninety-nine billion, nine hundred forty-six million, four hundred sixty thousand, one hundred ninety-seven".