194530927211 has 2 divisors, whose sum is σ = 194530927212. Its totient is φ = 194530927210.

The previous prime is 194530927187. The next prime is 194530927247. The reversal of 194530927211 is 112729035491.

It is a weak prime.

It is an emirp because it is prime and its reverse (112729035491) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-194530927211 is a prime.

It is not a weakly prime, because it can be changed into another prime (194530927111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97265463605 + 97265463606.

It is an arithmetic number, because the mean of its divisors is an integer number (97265463606).

Almost surely, 2^194530927211 is an apocalyptic number.

194530927211 is a deficient number, since it is larger than the sum of its proper divisors (1).

194530927211 is an equidigital number, since it uses as much as digits as its factorization.

194530927211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 44.

The spelling of 194530927211 in words is "one hundred ninety-four billion, five hundred thirty million, nine hundred twenty-seven thousand, two hundred eleven".