194836834906 has 16 divisors (see below), whose sum is σ = 334024741440. Its totient is φ = 83496816000.

The previous prime is 194836834903. The next prime is 194836834909. The reversal of 194836834906 is 609438638491.

It is an interprime number because it is at equal distance from previous prime (194836834903) and next prime (194836834909).

It is a super-2 number, since 2×194836834906² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (194836834903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125751 + ... + 636778.

It is an arithmetic number, because the mean of its divisors is an integer number (20876546340).

Almost surely, 2^194836834906 is an apocalyptic number.

194836834906 is a deficient number, since it is larger than the sum of its proper divisors (139187906534).

194836834906 is a wasteful number, since it uses less digits than its factorization.

194836834906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780789.

The product of its (nonzero) digits is 26873856, while the sum is 61.

The spelling of 194836834906 in words is "one hundred ninety-four billion, eight hundred thirty-six million, eight hundred thirty-four thousand, nine hundred six".