194718894119 has 8 divisors (see below), whose sum is σ = 201052520448. Its totient is φ = 188388541080.

The previous prime is 194718894061. The next prime is 194718894133. The reversal of 194718894119 is 911498817491.

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

It is a cyclic number.

It is not a de Polignac number, because 194718894119 - 2²⁸ = 194450458663 is a prime.

It is a super-2 number, since 2×194718894119² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194718894179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 697127 + ... + 935640.

It is an arithmetic number, because the mean of its divisors is an integer number (25131565056).

Almost surely, 2^194718894119 is an apocalyptic number.

194718894119 is a deficient number, since it is larger than the sum of its proper divisors (6333626329).

194718894119 is a wasteful number, since it uses less digits than its factorization.

194718894119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636645.

The product of its digits is 5225472, while the sum is 62.

The spelling of 194718894119 in words is "one hundred ninety-four billion, seven hundred eighteen million, eight hundred ninety-four thousand, one hundred nineteen".