199241416273 has 2 divisors, whose sum is σ = 199241416274. Its totient is φ = 199241416272.

The previous prime is 199241416271. The next prime is 199241416307. The reversal of 199241416273 is 372614142991.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 174236951889 + 25004464384 = 417417^2 + 158128^2 .

It is a cyclic number.

It is not a de Polignac number, because 199241416273 - 2¹ = 199241416271 is a prime.

Together with 199241416271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (199241416271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99620708136 + 99620708137.

It is an arithmetic number, because the mean of its divisors is an integer number (99620708137).

Almost surely, 2^199241416273 is an apocalyptic number.

It is an amenable number.

199241416273 is a deficient number, since it is larger than the sum of its proper divisors (1).

199241416273 is an equidigital number, since it uses as much as digits as its factorization.

199241416273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 49.

The spelling of 199241416273 in words is "one hundred ninety-nine billion, two hundred forty-one million, four hundred sixteen thousand, two hundred seventy-three".