194773056458 has 8 divisors (see below), whose sum is σ = 292355275428. Its totient is φ = 97321297984.

The previous prime is 194773056431. The next prime is 194773056461. The reversal of 194773056458 is 854650377491.

It can be written as a sum of positive squares in 2 ways, for example, as 168570188329 + 26202868129 = 410573^2 + 161873^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 194773056397 and 194773056406.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32611391 + ... + 32617362.

Almost surely, 2^194773056458 is an apocalyptic number.

194773056458 is a deficient number, since it is larger than the sum of its proper divisors (97582218970).

194773056458 is a wasteful number, since it uses less digits than its factorization.

194773056458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65230248.

The product of its (nonzero) digits is 25401600, while the sum is 59.

The spelling of 194773056458 in words is "one hundred ninety-four billion, seven hundred seventy-three million, fifty-six thousand, four hundred fifty-eight".