1049000491 has 16 divisors (see below), whose sum is σ = 1364709888. Its totient is φ = 781862400.

The previous prime is 1049000483. The next prime is 1049000503. The reversal of 1049000491 is 1940009401.

It is not a de Polignac number, because 1049000491 - 2³ = 1049000483 is a prime.

It is a super-2 number, since 2×1049000491² = 2200804060236482162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1049000401) 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 15 ways as a sum of consecutive naturals, for example, 294390 + ... + 297931.

It is an arithmetic number, because the mean of its divisors is an integer number (85294368).

Almost surely, 2^1049000491 is an apocalyptic number.

1049000491 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1049000491 is a deficient number, since it is larger than the sum of its proper divisors (315709397).

1049000491 is a wasteful number, since it uses less digits than its factorization.

1049000491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592362.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1049000491 is about 32388.2770613072. The cubic root of 1049000491 is about 1016.0737473464.

Adding to 1049000491 its reverse (1940009401), we get a palindrome (2989009892).

The spelling of 1049000491 in words is "one billion, forty-nine million, four hundred ninety-one", and thus it is an aban number.