194047298064 has 45 divisors (see below), whose sum is σ = 543077718573. Its totient is φ = 64680670656.

The previous prime is 194047298047. The next prime is 194047298101. The reversal of 194047298064 is 460892740491.

The square root of 194047298064 is 440508.

It is a perfect power (a square), and thus also a powerful number.

194047298064 is a `hidden beast` number, since 1 + 94 + 0 + 472 + 9 + 80 + 6 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 86725538064 + 107321760000 = 294492^2 + 327600^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 194047298064.

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 8 ways as a sum of consecutive naturals, for example, 5267742 + ... + 5304450.

Almost surely, 2^194047298064 is an apocalyptic number.

194047298064 is the 440508-th square number.

It is an amenable number.

194047298064 is an abundant number, since it is smaller than the sum of its proper divisors (349030420509).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

194047298064 is an frugal number, since it uses more digits than its factorization.

194047298064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73432 (or 36714 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 194047298064 in words is "one hundred ninety-four billion, forty-seven million, two hundred ninety-eight thousand, sixty-four".