1849843499 has 16 divisors (see below), whose sum is σ = 2137045248. Its totient is φ = 1568421792.

The previous prime is 1849843427. The next prime is 1849843529. The reversal of 1849843499 is 9943489481.

It is not a de Polignac number, because 1849843499 - 2⁸ = 1849843243 is a prime.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1849848499) 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, 659969 + ... + 662765.

It is an arithmetic number, because the mean of its divisors is an integer number (133565328).

Almost surely, 2^1849843499 is an apocalyptic number.

1849843499 is a deficient number, since it is larger than the sum of its proper divisors (287201749).

1849843499 is a wasteful number, since it uses less digits than its factorization.

1849843499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3794.

The product of its digits is 8957952, while the sum is 59.

The square root of 1849843499 is about 43009.8070095647. The cubic root of 1849843499 is about 1227.5664088577.

The spelling of 1849843499 in words is "one billion, eight hundred forty-nine million, eight hundred forty-three thousand, four hundred ninety-nine".