6496542068 has 12 divisors (see below), whose sum is σ = 11760981540. Its totient is φ = 3136261632.

The previous prime is 6496542043. The next prime is 6496542077. The reversal of 6496542068 is 8602456946.

It can be written as a sum of positive squares in 2 ways, for example, as 5336594704 + 1159947364 = 73052^2 + 34058^2 .

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 28002221 + ... + 28002452.

It is an arithmetic number, because the mean of its divisors is an integer number (980081795).

Almost surely, 2^6496542068 is an apocalyptic number.

It is an amenable number.

6496542068 is a deficient number, since it is larger than the sum of its proper divisors (5264439472).

6496542068 is a wasteful number, since it uses less digits than its factorization.

6496542068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56004706 (or 56004704 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 50.

The square root of 6496542068 is about 80601.1294461808. The cubic root of 6496542068 is about 1865.9245768906.

The spelling of 6496542068 in words is "six billion, four hundred ninety-six million, five hundred forty-two thousand, sixty-eight".