6499836650 has 24 divisors (see below), whose sum is σ = 12479689344. Its totient is φ = 2516065200.

The previous prime is 6499836649. The next prime is 6499836653. The reversal of 6499836650 is 566389946.

It is not an unprimeable number, because it can be changed into a prime (6499836653) 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 11 ways as a sum of consecutive naturals, for example, 2095172 + ... + 2098271.

It is an arithmetic number, because the mean of its divisors is an integer number (519987056).

Almost surely, 2^6499836650 is an apocalyptic number.

6499836650 is a deficient number, since it is larger than the sum of its proper divisors (5979852694).

6499836650 is a wasteful number, since it uses less digits than its factorization.

6499836650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4193486 (or 4193481 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 56.

The square root of 6499836650 is about 80621.5644229260. The cubic root of 6499836650 is about 1866.2399447982.

The spelling of 6499836650 in words is "six billion, four hundred ninety-nine million, eight hundred thirty-six thousand, six hundred fifty".