194272812307 has 4 divisors (see below), whose sum is σ = 222026071216. Its totient is φ = 166519553400.

The previous prime is 194272812287. The next prime is 194272812323. The reversal of 194272812307 is 703218272491.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 194272812307 - 2¹⁹ = 194272288019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194272812337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13876629444 + ... + 13876629457.

It is an arithmetic number, because the mean of its divisors is an integer number (55506517804).

Almost surely, 2^194272812307 is an apocalyptic number.

194272812307 is a deficient number, since it is larger than the sum of its proper divisors (27753258909).

194272812307 is an equidigital number, since it uses as much as digits as its factorization.

194272812307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27753258908.

The product of its (nonzero) digits is 338688, while the sum is 46.

The spelling of 194272812307 in words is "one hundred ninety-four billion, two hundred seventy-two million, eight hundred twelve thousand, three hundred seven".