194044901 has 4 divisors (see below), whose sum is σ = 194244492. Its totient is φ = 193845312.

The previous prime is 194044897. The next prime is 194044913. The reversal of 194044901 is 109440491.

It is a Cunningham number, because it is equal to 13930²+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 109440491 = 1499 ⋅73009.

It can be written as a sum of positive squares in 2 ways, for example, as 181548676 + 12496225 = 13474^2 + 3535^2 .

It is a cyclic number.

It is not a de Polignac number, because 194044901 - 2² = 194044897 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194044601) 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, 98330 + ... + 100283.

It is an arithmetic number, because the mean of its divisors is an integer number (48561123).

Almost surely, 2^194044901 is an apocalyptic number.

It is an amenable number.

194044901 is a deficient number, since it is larger than the sum of its proper divisors (199591).

194044901 is an equidigital number, since it uses as much as digits as its factorization.

194044901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199590.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 194044901 is about 13930.0000358938. Note that the first 4 decimals coincide. The cubic root of 194044901 is about 578.9406952919.

The spelling of 194044901 in words is "one hundred ninety-four million, forty-four thousand, nine hundred one".