6449619232 has 48 divisors (see below), whose sum is σ = 14554874880. Its totient is φ = 2755888128.

The previous prime is 6449619203. The next prime is 6449619233. The reversal of 6449619232 is 2329169446.

It is not an unprimeable number, because it can be changed into a prime (6449619233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32769 + ... + 118207.

It is an arithmetic number, because the mean of its divisors is an integer number (303226560).

Almost surely, 2^6449619232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6449619232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7277437440).

6449619232 is an abundant number, since it is smaller than the sum of its proper divisors (8105255648).

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

6449619232 is a wasteful number, since it uses less digits than its factorization.

6449619232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85793 (or 85785 counting only the distinct ones).

The product of its digits is 559872, while the sum is 46.

The square root of 6449619232 is about 80309.5214280349. The cubic root of 6449619232 is about 1861.4213546979.

It can be divided in two parts, 6449 and 619232, that added together give a square (625681 = 791²).

The spelling of 6449619232 in words is "six billion, four hundred forty-nine million, six hundred nineteen thousand, two hundred thirty-two".