1049491875 has 40 divisors (see below), whose sum is σ = 1808983440. Its totient is φ = 540400000.

The previous prime is 1049491867. The next prime is 1049491879. The reversal of 1049491875 is 5781949401.

It is not a de Polignac number, because 1049491875 - 2³ = 1049491867 is a prime.

It is a super-2 number, since 2×1049491875² = 2202866391382031250, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1049491879) 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 39 ways as a sum of consecutive naturals, for example, 44725 + ... + 64025.

It is an arithmetic number, because the mean of its divisors is an integer number (45224586).

Almost surely, 2^1049491875 is an apocalyptic number.

1049491875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1049491875 is a deficient number, since it is larger than the sum of its proper divisors (759491565).

1049491875 is an equidigital number, since it uses as much as digits as its factorization.

1049491875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19353 (or 19338 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 48.

The square root of 1049491875 is about 32395.8620042746. The cubic root of 1049491875 is about 1016.2323759480.

The spelling of 1049491875 in words is "one billion, forty-nine million, four hundred ninety-one thousand, eight hundred seventy-five".