1649443852 has 12 divisors (see below), whose sum is σ = 3298887760. Its totient is φ = 706904496.

The previous prime is 1649443847. The next prime is 1649443871. The reversal of 1649443852 is 2583449461.

1649443852 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29454327 + ... + 29454382.

Almost surely, 2^1649443852 is an apocalyptic number.

It is an amenable number.

1649443852 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1649443852 is a wasteful number, since it uses less digits than its factorization.

1649443852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58908720 (or 58908718 counting only the distinct ones).

The product of its digits is 829440, while the sum is 46.

The square root of 1649443852 is about 40613.3457375774. The cubic root of 1649443852 is about 1181.5329717010.

The spelling of 1649443852 in words is "one billion, six hundred forty-nine million, four hundred forty-three thousand, eight hundred fifty-two".