199249210 has 8 divisors (see below), whose sum is σ = 358648596. Its totient is φ = 79699680.

The previous prime is 199249189. The next prime is 199249243. The reversal of 199249210 is 12942991.

199249210 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 2 ways, for example, as 191075329 + 8173881 = 13823^2 + 2859^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 199249210.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9962451 + ... + 9962470.

Almost surely, 2^199249210 is an apocalyptic number.

199249210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

199249210 is a deficient number, since it is larger than the sum of its proper divisors (159399386).

199249210 is a wasteful number, since it uses less digits than its factorization.

199249210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19924928.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 199249210 is about 14115.5662302297. The cubic root of 199249210 is about 584.0708556207.

The spelling of 199249210 in words is "one hundred ninety-nine million, two hundred forty-nine thousand, two hundred ten".