6542446650 has 24 divisors (see below), whose sum is σ = 16225268064. Its totient is φ = 1744652400.

The previous prime is 6542446639. The next prime is 6542446663. The reversal of 6542446650 is 566442456.

It is a Curzon number.

It is an unprimeable number.

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, 21808006 + ... + 21808305.

It is an arithmetic number, because the mean of its divisors is an integer number (676052836).

Almost surely, 2^6542446650 is an apocalyptic number.

6542446650 is an abundant number, since it is smaller than the sum of its proper divisors (9682821414).

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

6542446650 is a wasteful number, since it uses less digits than its factorization.

6542446650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43616326 (or 43616321 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 42.

The square root of 6542446650 is about 80885.3920680366. The cubic root of 6542446650 is about 1870.3091417951.

The spelling of 6542446650 in words is "six billion, five hundred forty-two million, four hundred forty-six thousand, six hundred fifty".