6512339650 has 24 divisors (see below), whose sum is σ = 12148926660. Its totient is φ = 2597199360.

The previous prime is 6512339621. The next prime is 6512339657. The reversal of 6512339650 is 569332156.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 877285161 + 5635054489 = 29619^2 + 75067^2 .

It is not an unprimeable number, because it can be changed into a prime (6512339657) 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 11 ways as a sum of consecutive naturals, for example, 176395 + ... + 210094.

Almost surely, 2^6512339650 is an apocalyptic number.

6512339650 is a deficient number, since it is larger than the sum of its proper divisors (5636587010).

6512339650 is a wasteful number, since it uses less digits than its factorization.

6512339650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386838 (or 386833 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 40.

The square root of 6512339650 is about 80699.0684580683. The cubic root of 6512339650 is about 1867.4358031894.

The spelling of 6512339650 in words is "six billion, five hundred twelve million, three hundred thirty-nine thousand, six hundred fifty".