1849881316 has 24 divisors (see below), whose sum is σ = 3431151360. Its totient is φ = 869661312.

The previous prime is 1849881311. The next prime is 1849881317. The reversal of 1849881316 is 6131889481.

It is a self number, because there is not a number n which added to its sum of digits gives 1849881316.

It is not an unprimeable number, because it can be changed into a prime (1849881311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57561 + ... + 83743.

It is an arithmetic number, because the mean of its divisors is an integer number (142964640).

Almost surely, 2^1849881316 is an apocalyptic number.

It is an amenable number.

1849881316 is a deficient number, since it is larger than the sum of its proper divisors (1581270044).

1849881316 is a wasteful number, since it uses less digits than its factorization.

1849881316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27243 (or 27241 counting only the distinct ones).

The product of its digits is 331776, while the sum is 49.

The square root of 1849881316 is about 43010.2466396090. The cubic root of 1849881316 is about 1227.5747739911.

The spelling of 1849881316 in words is "one billion, eight hundred forty-nine million, eight hundred eighty-one thousand, three hundred sixteen".