6499650264 has 32 divisors (see below), whose sum is σ = 17104344000. Its totient is φ = 2052520992.

The previous prime is 6499650253. The next prime is 6499650301. The reversal of 6499650264 is 4620569946.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7126354 + ... + 7127265.

It is an arithmetic number, because the mean of its divisors is an integer number (534510750).

Almost surely, 2^6499650264 is an apocalyptic number.

It is an amenable number.

6499650264 is an abundant number, since it is smaller than the sum of its proper divisors (10604693736).

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

6499650264 is a wasteful number, since it uses less digits than its factorization.

6499650264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14253647 (or 14253643 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 51.

The square root of 6499650264 is about 80620.4084832122. The cubic root of 6499650264 is about 1866.2221061795. Note that the first 3 decimals are identical.

The spelling of 6499650264 in words is "six billion, four hundred ninety-nine million, six hundred fifty thousand, two hundred sixty-four".