194385339436 has 6 divisors (see below), whose sum is σ = 340174344020. Its totient is φ = 97192669716.

The previous prime is 194385339413. The next prime is 194385339457. The reversal of 194385339436 is 634933583491.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24298167426 + ... + 24298167433.

Almost surely, 2^194385339436 is an apocalyptic number.

It is an amenable number.

194385339436 is a deficient number, since it is larger than the sum of its proper divisors (145789004584).

194385339436 is a wasteful number, since it uses less digits than its factorization.

194385339436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48596334863 (or 48596334861 counting only the distinct ones).

The product of its digits is 25194240, while the sum is 58.

The spelling of 194385339436 in words is "one hundred ninety-four billion, three hundred eighty-five million, three hundred thirty-nine thousand, four hundred thirty-six".