1849419594 has 128 divisors (see below), whose sum is σ = 4666844160. Its totient is φ = 537969600.

The previous prime is 1849419569. The next prime is 1849419601. The reversal of 1849419594 is 4959149481.

1849419594 is a `hidden beast` number, since 1 + 8 + 4 + 9 + 41 + 9 + 594 = 666.

It is a super-2 number, since 2×1849419594² = 6840705669342249672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1849419594.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 1557469 + ... + 1558655.

It is an arithmetic number, because the mean of its divisors is an integer number (36459720).

Almost surely, 2^1849419594 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1849419594, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2333422080).

1849419594 is an abundant number, since it is smaller than the sum of its proper divisors (2817424566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1849419594 is a wasteful number, since it uses less digits than its factorization.

1849419594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313 (or 1307 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 54.

The square root of 1849419594 is about 43004.8787232333. The cubic root of 1849419594 is about 1227.4726331243.

The spelling of 1849419594 in words is "one billion, eight hundred forty-nine million, four hundred nineteen thousand, five hundred ninety-four".