194126049412 has 6 divisors (see below), whose sum is σ = 339720586478. Its totient is φ = 97063024704.

The previous prime is 194126049407. The next prime is 194126049457. The reversal of 194126049412 is 214940621491.

It can be written as a sum of positive squares in only one way, i.e., 191787940096 + 2338109316 = 437936^2 + 48354^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24265756173 + ... + 24265756180.

Almost surely, 2^194126049412 is an apocalyptic number.

It is an amenable number.

194126049412 is a deficient number, since it is larger than the sum of its proper divisors (145594537066).

194126049412 is a wasteful number, since it uses less digits than its factorization.

194126049412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48531512357 (or 48531512355 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The spelling of 194126049412 in words is "one hundred ninety-four billion, one hundred twenty-six million, forty-nine thousand, four hundred twelve".