499091369 has 8 divisors (see below), whose sum is σ = 570641088. Its totient is φ = 427604400.

The previous prime is 499091353. The next prime is 499091377. The reversal of 499091369 is 963190994.

It is a happy number.

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 499091369 - 2⁴ = 499091353 is a prime.

It is a super-2 number, since 2×499091369² = 498184389220588322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499091309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2819 + ... + 31719.

It is an arithmetic number, because the mean of its divisors is an integer number (71330136).

Almost surely, 2^499091369 is an apocalyptic number.

It is an amenable number.

499091369 is a deficient number, since it is larger than the sum of its proper divisors (71549719).

499091369 is a wasteful number, since it uses less digits than its factorization.

499091369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31375.

The product of its (nonzero) digits is 472392, while the sum is 50.

The square root of 499091369 is about 22340.3529291728. The cubic root of 499091369 is about 793.2194471825.

The spelling of 499091369 in words is "four hundred ninety-nine million, ninety-one thousand, three hundred sixty-nine".