194412289682 has 54 divisors (see below), whose sum is σ = 327436417503. Its totient is φ = 86529896544.

The previous prime is 194412289667. The next prime is 194412289699. The reversal of 194412289682 is 286982214491.

It can be written as a sum of positive squares in 5 ways, for example, as 32205532681 + 162206757001 = 179459^2 + 402749^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=311779.

It is a super-2 number, since 2×194412289682² (a number of 23 digits) contains 22 as substring.

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 26 ways as a sum of consecutive naturals, for example, 235080953 + ... + 235081779.

Almost surely, 2^194412289682 is an apocalyptic number.

194412289682 is a deficient number, since it is larger than the sum of its proper divisors (133024127821).

194412289682 is an frugal number, since it uses more digits than its factorization.

194412289682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1740 (or 871 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 56.

The spelling of 194412289682 in words is "one hundred ninety-four billion, four hundred twelve million, two hundred eighty-nine thousand, six hundred eighty-two".