194505009741 has 12 divisors (see below), whose sum is σ = 321087635232. Its totient is φ = 111145719816.

The previous prime is 194505009641. The next prime is 194505009767. The reversal of 194505009741 is 147900505491.

194505009741 is a `hidden beast` number, since 1 + 9 + 4 + 50 + 500 + 97 + 4 + 1 = 666.

It is not a de Polignac number, because 194505009741 - 2⁹ = 194505009229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194505009781) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1543690491 + ... + 1543690616.

It is an arithmetic number, because the mean of its divisors is an integer number (26757302936).

Almost surely, 2^194505009741 is an apocalyptic number.

It is an amenable number.

194505009741 is a deficient number, since it is larger than the sum of its proper divisors (126582625491).

194505009741 is a wasteful number, since it uses less digits than its factorization.

194505009741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3087381120 (or 3087381117 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The spelling of 194505009741 in words is "one hundred ninety-four billion, five hundred five million, nine thousand, seven hundred forty-one".