194443095413 has 40 divisors (see below), whose sum is σ = 239457265920. Its totient is φ = 157880268504.

The previous prime is 194443095383. The next prime is 194443095419. The reversal of 194443095413 is 314590344491.

It is not a de Polignac number, because 194443095413 - 2⁶ = 194443095349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194443095419) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 16462556 + ... + 16474362.

It is an arithmetic number, because the mean of its divisors is an integer number (5986431648).

Almost surely, 2^194443095413 is an apocalyptic number.

It is an amenable number.

194443095413 is a deficient number, since it is larger than the sum of its proper divisors (45014170507).

194443095413 is an frugal number, since it uses more digits than its factorization.

194443095413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11892 (or 11833 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 194443095413 in words is "one hundred ninety-four billion, four hundred forty-three million, ninety-five thousand, four hundred thirteen".