194549993234 has 32 divisors (see below), whose sum is σ = 306247150080. Its totient is φ = 92517163200.

The previous prime is 194549993219. The next prime is 194549993269. The reversal of 194549993234 is 432399945491.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 6329864 + ... + 6360524.

It is an arithmetic number, because the mean of its divisors is an integer number (9570223440).

Almost surely, 2^194549993234 is an apocalyptic number.

194549993234 is a deficient number, since it is larger than the sum of its proper divisors (111697156846).

194549993234 is a wasteful number, since it uses less digits than its factorization.

194549993234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31466.

The product of its digits is 37791360, while the sum is 62.

The spelling of 194549993234 in words is "one hundred ninety-four billion, five hundred forty-nine million, nine hundred ninety-three thousand, two hundred thirty-four".