194937962185 has 8 divisors (see below), whose sum is σ = 234063411336. Its totient is φ = 155858465280.

The previous prime is 194937962113. The next prime is 194937962189. The reversal of 194937962185 is 581269739491.

It can be written as a sum of positive squares in 4 ways, for example, as 104858744761 + 90079217424 = 323819^2 + 300132^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 194937962185 - 2⁷ = 194937962057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194937962189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11478726 + ... + 11495695.

It is an arithmetic number, because the mean of its divisors is an integer number (29257926417).

Almost surely, 2^194937962185 is an apocalyptic number.

It is an amenable number.

194937962185 is a deficient number, since it is larger than the sum of its proper divisors (39125449151).

194937962185 is a wasteful number, since it uses less digits than its factorization.

194937962185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22976123.

The product of its digits is 29393280, while the sum is 64.

The spelling of 194937962185 in words is "one hundred ninety-four billion, nine hundred thirty-seven million, nine hundred sixty-two thousand, one hundred eighty-five".