194392348863 has 4 divisors (see below), whose sum is σ = 259189798488. Its totient is φ = 129594899240.

The previous prime is 194392348823. The next prime is 194392348889. The reversal of 194392348863 is 368843293491.

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 194392348863 - 2¹² = 194392344767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 194392348797 and 194392348806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194392348823) 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, 32398724808 + ... + 32398724813.

It is an arithmetic number, because the mean of its divisors is an integer number (64797449622).

Almost surely, 2^194392348863 is an apocalyptic number.

194392348863 is a deficient number, since it is larger than the sum of its proper divisors (64797449625).

194392348863 is an equidigital number, since it uses as much as digits as its factorization.

194392348863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64797449624.

The product of its digits is 26873856, while the sum is 60.

The spelling of 194392348863 in words is "one hundred ninety-four billion, three hundred ninety-two million, three hundred forty-eight thousand, eight hundred sixty-three".