1649848912 has 20 divisors (see below), whose sum is σ = 3384617076. Its totient is φ = 776399360.

The previous prime is 1649848891. The next prime is 1649848913. The reversal of 1649848912 is 2198489461.

It can be written as a sum of positive squares in 2 ways, for example, as 645973056 + 1003875856 = 25416^2 + 31684^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1649848912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1649848913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3032539 + ... + 3033082.

Almost surely, 2^1649848912 is an apocalyptic number.

It is an amenable number.

1649848912 is an abundant number, since it is smaller than the sum of its proper divisors (1734768164).

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

1649848912 is a wasteful number, since it uses less digits than its factorization.

1649848912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6065646 (or 6065640 counting only the distinct ones).

The product of its digits is 995328, while the sum is 52.

The square root of 1649848912 is about 40618.3322158850. The cubic root of 1649848912 is about 1181.6296815858.

The spelling of 1649848912 in words is "one billion, six hundred forty-nine million, eight hundred forty-eight thousand, nine hundred twelve".