194641109795 has 64 divisors (see below), whose sum is σ = 264796646400. Its totient is φ = 136103016960.

The previous prime is 194641109779. The next prime is 194641109807. The reversal of 194641109795 is 597901146491.

It is not a de Polignac number, because 194641109795 - 2⁴ = 194641109779 is a prime.

It is a super-4 number, since 4×194641109795⁴ (a number of 46 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 194641109795.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 103586666 + ... + 103588544.

It is an arithmetic number, because the mean of its divisors is an integer number (4137447600).

Almost surely, 2^194641109795 is an apocalyptic number.

194641109795 is a deficient number, since it is larger than the sum of its proper divisors (70155536605).

194641109795 is a wasteful number, since it uses less digits than its factorization.

194641109795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2508.

The product of its (nonzero) digits is 2449440, while the sum is 56.

The spelling of 194641109795 in words is "one hundred ninety-four billion, six hundred forty-one million, one hundred nine thousand, seven hundred ninety-five".