194372192385 has 48 divisors (see below), whose sum is σ = 385190822016. Its totient is φ = 88821529344.

The previous prime is 194372192327. The next prime is 194372192387. The reversal of 194372192385 is 583291273491.

194372192385 is a `hidden beast` number, since 1 + 9 + 4 + 3 + 72 + 192 + 385 = 666.

It is not a de Polignac number, because 194372192385 - 2⁶ = 194372192321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (194372192387) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 706462 + ... + 942248.

It is an arithmetic number, because the mean of its divisors is an integer number (8024808792).

Almost surely, 2^194372192385 is an apocalyptic number.

194372192385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

194372192385 is a deficient number, since it is larger than the sum of its proper divisors (190818629631).

194372192385 is a wasteful number, since it uses less digits than its factorization.

194372192385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238422 (or 238419 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The spelling of 194372192385 in words is "one hundred ninety-four billion, three hundred seventy-two million, one hundred ninety-two thousand, three hundred eighty-five".