194342751835 has 4 divisors (see below), whose sum is σ = 233211302208. Its totient is φ = 155474201464.

The previous prime is 194342751817. The next prime is 194342751839. The reversal of 194342751835 is 538157243491.

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 194342751835 - 2¹³ = 194342743643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194342751839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19434275179 + ... + 19434275188.

It is an arithmetic number, because the mean of its divisors is an integer number (58302825552).

Almost surely, 2^194342751835 is an apocalyptic number.

194342751835 is a deficient number, since it is larger than the sum of its proper divisors (38868550373).

194342751835 is an equidigital number, since it uses as much as digits as its factorization.

194342751835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38868550372.

The product of its digits is 3628800, while the sum is 52.

The spelling of 194342751835 in words is "one hundred ninety-four billion, three hundred forty-two million, seven hundred fifty-one thousand, eight hundred thirty-five".