194685000101 has 2 divisors, whose sum is σ = 194685000102. Its totient is φ = 194685000100.

The previous prime is 194685000061. The next prime is 194685000151. The reversal of 194685000101 is 101000586491.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 166240491076 + 28444509025 = 407726^2 + 168655^2 .

It is a cyclic number.

It is not a de Polignac number, because 194685000101 - 2¹⁰ = 194684999077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194685000151) 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, 97342500050 + 97342500051.

It is an arithmetic number, because the mean of its divisors is an integer number (97342500051).

Almost surely, 2^194685000101 is an apocalyptic number.

It is an amenable number.

194685000101 is a deficient number, since it is larger than the sum of its proper divisors (1).

194685000101 is an equidigital number, since it uses as much as digits as its factorization.

194685000101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 35.

Adding to 194685000101 its reverse (101000586491), we get a palindrome (295685586592).

The spelling of 194685000101 in words is "one hundred ninety-four billion, six hundred eighty-five million, one hundred one", and thus it is an aban number.