193800691984 has 45 divisors (see below), whose sum is σ = 378435572751. Its totient is φ = 96145795200.

The previous prime is 193800691979. The next prime is 193800692023. The reversal of 193800691984 is 489196008391.

The square root of 193800691984 is 440228.

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

193800691984 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 4 ways, for example, as 7066083600 + 186734608384 = 84060^2 + 432128^2 .

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 8 ways as a sum of consecutive naturals, for example, 276462834 + ... + 276463534.

Almost surely, 2^193800691984 is an apocalyptic number.

193800691984 is the 440228-th square number.

It is an amenable number.

193800691984 is a deficient number, since it is larger than the sum of its proper divisors (184634880767).

193800691984 is an frugal number, since it uses more digits than its factorization.

193800691984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1724 (or 860 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 58.

The spelling of 193800691984 in words is "one hundred ninety-three billion, eight hundred million, six hundred ninety-one thousand, nine hundred eighty-four".