6546397047 has 16 divisors (see below), whose sum is σ = 9291168000. Its totient is φ = 4088107584.

The previous prime is 6546397037. The next prime is 6546397063. The reversal of 6546397047 is 7407936456.

It is not a de Polignac number, because 6546397047 - 2⁴ = 6546397031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6546397037) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 640147 + ... + 650292.

It is an arithmetic number, because the mean of its divisors is an integer number (580698000).

Almost surely, 2^6546397047 is an apocalyptic number.

6546397047 is a deficient number, since it is larger than the sum of its proper divisors (2744770953).

6546397047 is a wasteful number, since it uses less digits than its factorization.

6546397047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290550.

The product of its (nonzero) digits is 3810240, while the sum is 51.

The square root of 6546397047 is about 80909.8081013668. The cubic root of 6546397047 is about 1870.6855033940.

The spelling of 6546397047 in words is "six billion, five hundred forty-six million, three hundred ninety-seven thousand, forty-seven".