199441499 has 4 divisors (see below), whose sum is σ = 209938440. Its totient is φ = 188944560.

The previous prime is 199441483. The next prime is 199441511. The reversal of 199441499 is 994144991.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 199441499 - 2⁴ = 199441483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199441699) 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 3 ways as a sum of consecutive naturals, for example, 5248442 + ... + 5248479.

It is an arithmetic number, because the mean of its divisors is an integer number (52484610).

Almost surely, 2^199441499 is an apocalyptic number.

199441499 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

199441499 is a deficient number, since it is larger than the sum of its proper divisors (10496941).

199441499 is a wasteful number, since it uses less digits than its factorization.

199441499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10496940.

The product of its digits is 419904, while the sum is 50.

The square root of 199441499 is about 14122.3758270342. The cubic root of 199441499 is about 584.2586845395.

The spelling of 199441499 in words is "one hundred ninety-nine million, four hundred forty-one thousand, four hundred ninety-nine".