491614199 has 4 divisors (see below), whose sum is σ = 491697936. Its totient is φ = 491530464.

The previous prime is 491614187. The next prime is 491614217. The reversal of 491614199 is 991416194.

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 491614199 - 2²⁰ = 490565623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491614129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32339 + ... + 45044.

It is an arithmetic number, because the mean of its divisors is an integer number (122924484).

Almost surely, 2^491614199 is an apocalyptic number.

491614199 is a deficient number, since it is larger than the sum of its proper divisors (83737).

491614199 is an equidigital number, since it uses as much as digits as its factorization.

491614199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83736.

The product of its digits is 69984, while the sum is 44.

The square root of 491614199 is about 22172.3746811206. The cubic root of 491614199 is about 789.2382760843.

The spelling of 491614199 in words is "four hundred ninety-one million, six hundred fourteen thousand, one hundred ninety-nine".