199193874323236 has 27 divisors (see below), whose sum is σ = 377467193900433. Its totient is φ = 91935464939760.

The previous prime is 199193874323231. The next prime is 199193874323287. The reversal of 199193874323236 is 632323478391991.

The square root of 199193874323236 is 14113606.

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

It can be written as a sum of positive squares in only one way, i.e., 29466549456100 + 169727324867136 = 5428310^2 + 13027944^2 .

It is a super-2 number, since 2×199193874323236² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (199193874323231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 366682341 + ... + 367225171.

Almost surely, 2^{199193874323236} is an apocalyptic number.

199193874323236 is the 14113606-th square number.

It is an amenable number.

199193874323236 is a deficient number, since it is larger than the sum of its proper divisors (178273319577197).

199193874323236 is an frugal number, since it uses more digits than its factorization.

199193874323236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085692 (or 542846 counting only the distinct ones).

The product of its digits is 317447424, while the sum is 70.

The spelling of 199193874323236 in words is "one hundred ninety-nine trillion, one hundred ninety-three billion, eight hundred seventy-four million, three hundred twenty-three thousand, two hundred thirty-six".