6499044592 has 20 divisors (see below), whose sum is σ = 12604144176. Its totient is φ = 3246362240.

The previous prime is 6499044589. The next prime is 6499044593. The reversal of 6499044592 is 2954409946.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6499044593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180493 + ... + 213484.

Almost surely, 2^6499044592 is an apocalyptic number.

It is an amenable number.

6499044592 is a deficient number, since it is larger than the sum of its proper divisors (6105099584).

6499044592 is a wasteful number, since it uses less digits than its factorization.

6499044592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395016 (or 395010 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 52.

The square root of 6499044592 is about 80616.6520763545. The cubic root of 6499044592 is about 1866.1641362098.

The spelling of 6499044592 in words is "six billion, four hundred ninety-nine million, forty-four thousand, five hundred ninety-two".