194341668964 has 9 divisors (see below), whose sum is σ = 340099463641. Its totient is φ = 97170393640.

The previous prime is 194341668949. The next prime is 194341669001. The reversal of 194341668964 is 469866143491.

The square root of 194341668964 is 440842.

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

194341668964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11397270564 + 182944398400 = 106758^2 + 427720^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 771474 + ... + 991894.

Almost surely, 2^194341668964 is an apocalyptic number.

194341668964 is the 440842-nd square number.

It is an amenable number.

194341668964 is a deficient number, since it is larger than the sum of its proper divisors (145757794677).

194341668964 is an frugal number, since it uses more digits than its factorization.

194341668964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440846 (or 220423 counting only the distinct ones).

The product of its digits is 26873856, while the sum is 61.

The spelling of 194341668964 in words is "one hundred ninety-four billion, three hundred forty-one million, six hundred sixty-eight thousand, nine hundred sixty-four".