6546334637 has 4 divisors (see below), whose sum is σ = 6550140156. Its totient is φ = 6542529120.

The previous prime is 6546334609. The next prime is 6546334649. The reversal of 6546334637 is 7364336456.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2920970116 + 3625364521 = 54046^2 + 60211^2 .

It is a cyclic number.

It is not a de Polignac number, because 6546334637 - 2²² = 6542140333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6546334591 and 6546334600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6546334607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1900178 + ... + 1903619.

It is an arithmetic number, because the mean of its divisors is an integer number (1637535039).

Almost surely, 2^6546334637 is an apocalyptic number.

It is an amenable number.

6546334637 is a deficient number, since it is larger than the sum of its proper divisors (3805519).

6546334637 is a wasteful number, since it uses less digits than its factorization.

6546334637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3805518.

The product of its digits is 3265920, while the sum is 47.

The square root of 6546334637 is about 80909.4224240910. The cubic root of 6546334637 is about 1870.6795586556.

The spelling of 6546334637 in words is "six billion, five hundred forty-six million, three hundred thirty-four thousand, six hundred thirty-seven".