194680011 has 4 divisors (see below), whose sum is σ = 259573352. Its totient is φ = 129786672.

The previous prime is 194680007. The next prime is 194680037. The reversal of 194680011 is 110086491.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110086491 = 3 ⋅36695497.

It is not a de Polignac number, because 194680011 - 2² = 194680007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194680001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32446666 + ... + 32446671.

It is an arithmetic number, because the mean of its divisors is an integer number (64893338).

Almost surely, 2^194680011 is an apocalyptic number.

194680011 is a deficient number, since it is larger than the sum of its proper divisors (64893341).

194680011 is an equidigital number, since it uses as much as digits as its factorization.

194680011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64893340.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 194680011 is about 13952.7778954587. Note that the first 3 decimals coincide. The cubic root of 194680011 is about 579.5716327698.

The spelling of 194680011 in words is "one hundred ninety-four million, six hundred eighty thousand, eleven".