199293625345 has 8 divisors (see below), whose sum is σ = 239259271464. Its totient is φ = 159363619584.

The previous prime is 199293625343. The next prime is 199293625379. The reversal of 199293625345 is 543526392991.

It can be written as a sum of positive squares in 4 ways, for example, as 25832204176 + 173461421169 = 160724^2 + 416487^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 199293625345 - 2¹ = 199293625343 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 199293625345.

It is not an unprimeable number, because it can be changed into a prime (199293625343) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8897784 + ... + 8920153.

It is an arithmetic number, because the mean of its divisors is an integer number (29907408933).

Almost surely, 2^199293625345 is an apocalyptic number.

It is an amenable number.

199293625345 is a deficient number, since it is larger than the sum of its proper divisors (39965646119).

199293625345 is a wasteful number, since it uses less digits than its factorization.

199293625345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17820179.

The product of its digits is 15746400, while the sum is 58.

The spelling of 199293625345 in words is "one hundred ninety-nine billion, two hundred ninety-three million, six hundred twenty-five thousand, three hundred forty-five".