1849198959 has 12 divisors (see below), whose sum is σ = 2811647800. Its totient is φ = 1167915024.

The previous prime is 1849198937. The next prime is 1849198969. The reversal of 1849198959 is 9598919481.

1849198959 is a `hidden beast` number, since 1 + 8 + 491 + 98 + 9 + 59 = 666.

It is not a de Polignac number, because 1849198959 - 2⁷ = 1849198831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1849198896 and 1849198905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1849198969) 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 11 ways as a sum of consecutive naturals, for example, 5406844 + ... + 5407185.

Almost surely, 2^1849198959 is an apocalyptic number.

1849198959 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1849198959 is a deficient number, since it is larger than the sum of its proper divisors (962448841).

1849198959 is a wasteful number, since it uses less digits than its factorization.

1849198959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10814054 (or 10814051 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 63.

The square root of 1849198959 is about 43002.3134145129. The cubic root of 1849198959 is about 1227.4238188556.

The spelling of 1849198959 in words is "one billion, eight hundred forty-nine million, one hundred ninety-eight thousand, nine hundred fifty-nine".