194467520009 has 16 divisors (see below), whose sum is σ = 224298633600. Its totient is φ = 165154502400.

The previous prime is 194467519997. The next prime is 194467520047. The reversal of 194467520009 is 900025764491.

194467520009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-194467520009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194467520069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185762 + ... + 650724.

It is an arithmetic number, because the mean of its divisors is an integer number (14018664600).

Almost surely, 2^194467520009 is an apocalyptic number.

It is an amenable number.

194467520009 is a deficient number, since it is larger than the sum of its proper divisors (29831113591).

194467520009 is a wasteful number, since it uses less digits than its factorization.

194467520009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465520.

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 194467520009 in words is "one hundred ninety-four billion, four hundred sixty-seven million, five hundred twenty thousand, nine".