194000011 has 2 divisors, whose sum is σ = 194000012. Its totient is φ = 194000010.

The previous prime is 193999979. The next prime is 194000017. The reversal of 194000011 is 110000491.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 194000011 - 2⁵ = 193999979 is a prime.

It is not a weakly prime, because it can be changed into another prime (194000017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97000005 + 97000006.

It is an arithmetic number, because the mean of its divisors is an integer number (97000006).

Almost surely, 2^194000011 is an apocalyptic number.

194000011 is a deficient number, since it is larger than the sum of its proper divisors (1).

194000011 is an equidigital number, since it uses as much as digits as its factorization.

194000011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 194000011 is about 13928.3886720611. The cubic root of 194000011 is about 578.8960481476.

The spelling of 194000011 in words is "one hundred ninety-four million, eleven", and thus it is an aban number.